SUSE-SU-2026:1816-1
Vulnerability from csaf_suse - Published: 2026-05-12 07:56 - Updated: 2026-05-12 07:56Summary
Security update for krb5
Severity
Moderate
Notes
Title of the patch: Security update for krb5
Description of the patch: This update for krb5 fixes the following issues
- CVE-2026-40355: Denial of Service via NULL pointer dereference in NegoEx mechanism (bsc#1263366).
- CVE-2026-40356: Denial of Service via integer underflow and out-of-bounds read (bsc#1263367).
Patchnames: SUSE-2026-1816,SUSE-SLE-Micro-5.5-2026-1816
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
5.9 (Medium)
Affected products
Recommended
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
moderate
5.9 (Medium)
Affected products
Recommended
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
moderate
References
12 references
{
"document": {
"aggregate_severity": {
"namespace": "https://www.suse.com/support/security/rating/",
"text": "moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright 2024 SUSE LLC. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Security update for krb5",
"title": "Title of the patch"
},
{
"category": "description",
"text": "This update for krb5 fixes the following issues\n\n- CVE-2026-40355: Denial of Service via NULL pointer dereference in NegoEx mechanism (bsc#1263366).\n- CVE-2026-40356: Denial of Service via integer underflow and out-of-bounds read (bsc#1263367).\n",
"title": "Description of the patch"
},
{
"category": "details",
"text": "SUSE-2026-1816,SUSE-SLE-Micro-5.5-2026-1816",
"title": "Patchnames"
},
{
"category": "legal_disclaimer",
"text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
"title": "Terms of use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://www.suse.com/support/security/contact/",
"name": "SUSE Product Security Team",
"namespace": "https://www.suse.com/"
},
"references": [
{
"category": "external",
"summary": "SUSE ratings",
"url": "https://www.suse.com/support/security/rating/"
},
{
"category": "self",
"summary": "URL of this CSAF notice",
"url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_1816-1.json"
},
{
"category": "self",
"summary": "URL for SUSE-SU-2026:1816-1",
"url": "https://www.suse.com/support/update/announcement/2026/suse-su-20261816-1/"
},
{
"category": "self",
"summary": "E-Mail link for SUSE-SU-2026:1816-1",
"url": "https://lists.suse.com/pipermail/sle-updates/2026-May/046423.html"
},
{
"category": "self",
"summary": "SUSE Bug 1263366",
"url": "https://bugzilla.suse.com/1263366"
},
{
"category": "self",
"summary": "SUSE Bug 1263367",
"url": "https://bugzilla.suse.com/1263367"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2026-40355 page",
"url": "https://www.suse.com/security/cve/CVE-2026-40355/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2026-40356 page",
"url": "https://www.suse.com/security/cve/CVE-2026-40356/"
}
],
"title": "Security update for krb5",
"tracking": {
"current_release_date": "2026-05-12T07:56:36Z",
"generator": {
"date": "2026-05-12T07:56:36Z",
"engine": {
"name": "cve-database.git:bin/generate-csaf.pl",
"version": "1"
}
},
"id": "SUSE-SU-2026:1816-1",
"initial_release_date": "2026-05-12T07:56:36Z",
"revision_history": [
{
"date": "2026-05-12T07:56:36Z",
"number": "1",
"summary": "Current version"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "krb5-1.20.1-150500.3.20.1.aarch64",
"product": {
"name": "krb5-1.20.1-150500.3.20.1.aarch64",
"product_id": "krb5-1.20.1-150500.3.20.1.aarch64"
}
},
{
"category": "product_version",
"name": "krb5-client-1.20.1-150500.3.20.1.aarch64",
"product": {
"name": "krb5-client-1.20.1-150500.3.20.1.aarch64",
"product_id": "krb5-client-1.20.1-150500.3.20.1.aarch64"
}
},
{
"category": "product_version",
"name": "krb5-devel-1.20.1-150500.3.20.1.aarch64",
"product": {
"name": "krb5-devel-1.20.1-150500.3.20.1.aarch64",
"product_id": "krb5-devel-1.20.1-150500.3.20.1.aarch64"
}
},
{
"category": "product_version",
"name": "krb5-mini-1.20.1-150500.3.20.1.aarch64",
"product": {
"name": "krb5-mini-1.20.1-150500.3.20.1.aarch64",
"product_id": "krb5-mini-1.20.1-150500.3.20.1.aarch64"
}
},
{
"category": "product_version",
"name": "krb5-mini-devel-1.20.1-150500.3.20.1.aarch64",
"product": {
"name": "krb5-mini-devel-1.20.1-150500.3.20.1.aarch64",
"product_id": "krb5-mini-devel-1.20.1-150500.3.20.1.aarch64"
}
},
{
"category": "product_version",
"name": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.aarch64",
"product": {
"name": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.aarch64",
"product_id": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.aarch64"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.aarch64",
"product": {
"name": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.aarch64",
"product_id": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.aarch64"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.aarch64",
"product": {
"name": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.aarch64",
"product_id": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.aarch64"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.aarch64",
"product": {
"name": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.aarch64",
"product_id": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.aarch64"
}
},
{
"category": "product_version",
"name": "krb5-server-1.20.1-150500.3.20.1.aarch64",
"product": {
"name": "krb5-server-1.20.1-150500.3.20.1.aarch64",
"product_id": "krb5-server-1.20.1-150500.3.20.1.aarch64"
}
}
],
"category": "architecture",
"name": "aarch64"
},
{
"branches": [
{
"category": "product_version",
"name": "krb5-64bit-1.20.1-150500.3.20.1.aarch64_ilp32",
"product": {
"name": "krb5-64bit-1.20.1-150500.3.20.1.aarch64_ilp32",
"product_id": "krb5-64bit-1.20.1-150500.3.20.1.aarch64_ilp32"
}
},
{
"category": "product_version",
"name": "krb5-devel-64bit-1.20.1-150500.3.20.1.aarch64_ilp32",
"product": {
"name": "krb5-devel-64bit-1.20.1-150500.3.20.1.aarch64_ilp32",
"product_id": "krb5-devel-64bit-1.20.1-150500.3.20.1.aarch64_ilp32"
}
}
],
"category": "architecture",
"name": "aarch64_ilp32"
},
{
"branches": [
{
"category": "product_version",
"name": "krb5-1.20.1-150500.3.20.1.i586",
"product": {
"name": "krb5-1.20.1-150500.3.20.1.i586",
"product_id": "krb5-1.20.1-150500.3.20.1.i586"
}
},
{
"category": "product_version",
"name": "krb5-client-1.20.1-150500.3.20.1.i586",
"product": {
"name": "krb5-client-1.20.1-150500.3.20.1.i586",
"product_id": "krb5-client-1.20.1-150500.3.20.1.i586"
}
},
{
"category": "product_version",
"name": "krb5-devel-1.20.1-150500.3.20.1.i586",
"product": {
"name": "krb5-devel-1.20.1-150500.3.20.1.i586",
"product_id": "krb5-devel-1.20.1-150500.3.20.1.i586"
}
},
{
"category": "product_version",
"name": "krb5-mini-1.20.1-150500.3.20.1.i586",
"product": {
"name": "krb5-mini-1.20.1-150500.3.20.1.i586",
"product_id": "krb5-mini-1.20.1-150500.3.20.1.i586"
}
},
{
"category": "product_version",
"name": "krb5-mini-devel-1.20.1-150500.3.20.1.i586",
"product": {
"name": "krb5-mini-devel-1.20.1-150500.3.20.1.i586",
"product_id": "krb5-mini-devel-1.20.1-150500.3.20.1.i586"
}
},
{
"category": "product_version",
"name": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.i586",
"product": {
"name": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.i586",
"product_id": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.i586"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.i586",
"product": {
"name": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.i586",
"product_id": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.i586"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.i586",
"product": {
"name": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.i586",
"product_id": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.i586"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.i586",
"product": {
"name": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.i586",
"product_id": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.i586"
}
},
{
"category": "product_version",
"name": "krb5-server-1.20.1-150500.3.20.1.i586",
"product": {
"name": "krb5-server-1.20.1-150500.3.20.1.i586",
"product_id": "krb5-server-1.20.1-150500.3.20.1.i586"
}
}
],
"category": "architecture",
"name": "i586"
},
{
"branches": [
{
"category": "product_version",
"name": "krb5-1.20.1-150500.3.20.1.ppc64le",
"product": {
"name": "krb5-1.20.1-150500.3.20.1.ppc64le",
"product_id": "krb5-1.20.1-150500.3.20.1.ppc64le"
}
},
{
"category": "product_version",
"name": "krb5-client-1.20.1-150500.3.20.1.ppc64le",
"product": {
"name": "krb5-client-1.20.1-150500.3.20.1.ppc64le",
"product_id": "krb5-client-1.20.1-150500.3.20.1.ppc64le"
}
},
{
"category": "product_version",
"name": "krb5-devel-1.20.1-150500.3.20.1.ppc64le",
"product": {
"name": "krb5-devel-1.20.1-150500.3.20.1.ppc64le",
"product_id": "krb5-devel-1.20.1-150500.3.20.1.ppc64le"
}
},
{
"category": "product_version",
"name": "krb5-mini-1.20.1-150500.3.20.1.ppc64le",
"product": {
"name": "krb5-mini-1.20.1-150500.3.20.1.ppc64le",
"product_id": "krb5-mini-1.20.1-150500.3.20.1.ppc64le"
}
},
{
"category": "product_version",
"name": "krb5-mini-devel-1.20.1-150500.3.20.1.ppc64le",
"product": {
"name": "krb5-mini-devel-1.20.1-150500.3.20.1.ppc64le",
"product_id": "krb5-mini-devel-1.20.1-150500.3.20.1.ppc64le"
}
},
{
"category": "product_version",
"name": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.ppc64le",
"product": {
"name": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.ppc64le",
"product_id": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.ppc64le"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.ppc64le",
"product": {
"name": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.ppc64le",
"product_id": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.ppc64le"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.ppc64le",
"product": {
"name": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.ppc64le",
"product_id": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.ppc64le"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.ppc64le",
"product": {
"name": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.ppc64le",
"product_id": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.ppc64le"
}
},
{
"category": "product_version",
"name": "krb5-server-1.20.1-150500.3.20.1.ppc64le",
"product": {
"name": "krb5-server-1.20.1-150500.3.20.1.ppc64le",
"product_id": "krb5-server-1.20.1-150500.3.20.1.ppc64le"
}
}
],
"category": "architecture",
"name": "ppc64le"
},
{
"branches": [
{
"category": "product_version",
"name": "krb5-1.20.1-150500.3.20.1.s390x",
"product": {
"name": "krb5-1.20.1-150500.3.20.1.s390x",
"product_id": "krb5-1.20.1-150500.3.20.1.s390x"
}
},
{
"category": "product_version",
"name": "krb5-client-1.20.1-150500.3.20.1.s390x",
"product": {
"name": "krb5-client-1.20.1-150500.3.20.1.s390x",
"product_id": "krb5-client-1.20.1-150500.3.20.1.s390x"
}
},
{
"category": "product_version",
"name": "krb5-devel-1.20.1-150500.3.20.1.s390x",
"product": {
"name": "krb5-devel-1.20.1-150500.3.20.1.s390x",
"product_id": "krb5-devel-1.20.1-150500.3.20.1.s390x"
}
},
{
"category": "product_version",
"name": "krb5-mini-1.20.1-150500.3.20.1.s390x",
"product": {
"name": "krb5-mini-1.20.1-150500.3.20.1.s390x",
"product_id": "krb5-mini-1.20.1-150500.3.20.1.s390x"
}
},
{
"category": "product_version",
"name": "krb5-mini-devel-1.20.1-150500.3.20.1.s390x",
"product": {
"name": "krb5-mini-devel-1.20.1-150500.3.20.1.s390x",
"product_id": "krb5-mini-devel-1.20.1-150500.3.20.1.s390x"
}
},
{
"category": "product_version",
"name": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.s390x",
"product": {
"name": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.s390x",
"product_id": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.s390x"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.s390x",
"product": {
"name": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.s390x",
"product_id": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.s390x"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.s390x",
"product": {
"name": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.s390x",
"product_id": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.s390x"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.s390x",
"product": {
"name": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.s390x",
"product_id": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.s390x"
}
},
{
"category": "product_version",
"name": "krb5-server-1.20.1-150500.3.20.1.s390x",
"product": {
"name": "krb5-server-1.20.1-150500.3.20.1.s390x",
"product_id": "krb5-server-1.20.1-150500.3.20.1.s390x"
}
}
],
"category": "architecture",
"name": "s390x"
},
{
"branches": [
{
"category": "product_version",
"name": "krb5-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-1.20.1-150500.3.20.1.x86_64"
}
},
{
"category": "product_version",
"name": "krb5-32bit-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-32bit-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-32bit-1.20.1-150500.3.20.1.x86_64"
}
},
{
"category": "product_version",
"name": "krb5-client-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-client-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-client-1.20.1-150500.3.20.1.x86_64"
}
},
{
"category": "product_version",
"name": "krb5-devel-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-devel-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-devel-1.20.1-150500.3.20.1.x86_64"
}
},
{
"category": "product_version",
"name": "krb5-devel-32bit-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-devel-32bit-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-devel-32bit-1.20.1-150500.3.20.1.x86_64"
}
},
{
"category": "product_version",
"name": "krb5-mini-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-mini-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-mini-1.20.1-150500.3.20.1.x86_64"
}
},
{
"category": "product_version",
"name": "krb5-mini-devel-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-mini-devel-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-mini-devel-1.20.1-150500.3.20.1.x86_64"
}
},
{
"category": "product_version",
"name": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-plugin-kdb-ldap-1.20.1-150500.3.20.1.x86_64"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-plugin-preauth-otp-1.20.1-150500.3.20.1.x86_64"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-plugin-preauth-pkinit-1.20.1-150500.3.20.1.x86_64"
}
},
{
"category": "product_version",
"name": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-plugin-preauth-spake-1.20.1-150500.3.20.1.x86_64"
}
},
{
"category": "product_version",
"name": "krb5-server-1.20.1-150500.3.20.1.x86_64",
"product": {
"name": "krb5-server-1.20.1-150500.3.20.1.x86_64",
"product_id": "krb5-server-1.20.1-150500.3.20.1.x86_64"
}
}
],
"category": "architecture",
"name": "x86_64"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux Enterprise Micro 5.5",
"product": {
"name": "SUSE Linux Enterprise Micro 5.5",
"product_id": "SUSE Linux Enterprise Micro 5.5",
"product_identification_helper": {
"cpe": "cpe:/o:suse:sle-micro:5.5"
}
}
}
],
"category": "product_family",
"name": "SUSE Linux Enterprise"
}
],
"category": "vendor",
"name": "SUSE"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "krb5-1.20.1-150500.3.20.1.aarch64 as component of SUSE Linux Enterprise Micro 5.5",
"product_id": "SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.aarch64"
},
"product_reference": "krb5-1.20.1-150500.3.20.1.aarch64",
"relates_to_product_reference": "SUSE Linux Enterprise Micro 5.5"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "krb5-1.20.1-150500.3.20.1.ppc64le as component of SUSE Linux Enterprise Micro 5.5",
"product_id": "SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.ppc64le"
},
"product_reference": "krb5-1.20.1-150500.3.20.1.ppc64le",
"relates_to_product_reference": "SUSE Linux Enterprise Micro 5.5"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "krb5-1.20.1-150500.3.20.1.s390x as component of SUSE Linux Enterprise Micro 5.5",
"product_id": "SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.s390x"
},
"product_reference": "krb5-1.20.1-150500.3.20.1.s390x",
"relates_to_product_reference": "SUSE Linux Enterprise Micro 5.5"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "krb5-1.20.1-150500.3.20.1.x86_64 as component of SUSE Linux Enterprise Micro 5.5",
"product_id": "SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.x86_64"
},
"product_reference": "krb5-1.20.1-150500.3.20.1.x86_64",
"relates_to_product_reference": "SUSE Linux Enterprise Micro 5.5"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "krb5-client-1.20.1-150500.3.20.1.aarch64 as component of SUSE Linux Enterprise Micro 5.5",
"product_id": "SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.aarch64"
},
"product_reference": "krb5-client-1.20.1-150500.3.20.1.aarch64",
"relates_to_product_reference": "SUSE Linux Enterprise Micro 5.5"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "krb5-client-1.20.1-150500.3.20.1.ppc64le as component of SUSE Linux Enterprise Micro 5.5",
"product_id": "SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.ppc64le"
},
"product_reference": "krb5-client-1.20.1-150500.3.20.1.ppc64le",
"relates_to_product_reference": "SUSE Linux Enterprise Micro 5.5"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "krb5-client-1.20.1-150500.3.20.1.s390x as component of SUSE Linux Enterprise Micro 5.5",
"product_id": "SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.s390x"
},
"product_reference": "krb5-client-1.20.1-150500.3.20.1.s390x",
"relates_to_product_reference": "SUSE Linux Enterprise Micro 5.5"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "krb5-client-1.20.1-150500.3.20.1.x86_64 as component of SUSE Linux Enterprise Micro 5.5",
"product_id": "SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.x86_64"
},
"product_reference": "krb5-client-1.20.1-150500.3.20.1.x86_64",
"relates_to_product_reference": "SUSE Linux Enterprise Micro 5.5"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-40355",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-40355"
}
],
"notes": [
{
"category": "general",
"text": "In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, causing the process to terminate in parse_nego_message.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.x86_64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-40355",
"url": "https://www.suse.com/security/cve/CVE-2026-40355"
},
{
"category": "external",
"summary": "SUSE Bug 1263366 for CVE-2026-40355",
"url": "https://bugzilla.suse.com/1263366"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.x86_64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.x86_64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-05-12T07:56:36Z",
"details": "moderate"
}
],
"title": "CVE-2026-40355"
},
{
"cve": "CVE-2026-40356",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-40356"
}
],
"notes": [
{
"category": "general",
"text": "In MIT Kerberos 5 (aka krb5) before 1.22.3, there is an integer underflow and resultant out-of-bounds read if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, possibly causing the process to terminate in parse_message.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.x86_64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-40356",
"url": "https://www.suse.com/security/cve/CVE-2026-40356"
},
{
"category": "external",
"summary": "SUSE Bug 1263367 for CVE-2026-40356",
"url": "https://bugzilla.suse.com/1263367"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.x86_64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-1.20.1-150500.3.20.1.x86_64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.aarch64",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.ppc64le",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.s390x",
"SUSE Linux Enterprise Micro 5.5:krb5-client-1.20.1-150500.3.20.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-05-12T07:56:36Z",
"details": "moderate"
}
],
"title": "CVE-2026-40356"
}
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…