RHSA-2026:67961

Vulnerability from csaf_redhat - Published: 2026-09-16 10:15 - Updated: 2026-10-30 13:53
Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Severity
Moderate
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs: binutils: * binutils-2.46.1-1.2.hum1 (aarch64, x86_64) * binutils-devel-2.46.1-1.2.hum1 (aarch64, x86_64) * binutils-gold-2.46.1-1.2.hum1 (aarch64, x86_64) * binutils-gprofng-2.46.1-1.2.hum1 (aarch64, x86_64) * binutils-2.46.1-1.2.hum1.src (src) Security Fix(es): binutils: * CVE-2026-91781
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2026-91779

A flaw was found in GNU Binutils. A local attacker can trigger a null pointer dereference within the Eh Frame Handler component by performing a specific manipulation. This vulnerability can lead to a Denial of Service (DoS), making the affected system or application unavailable.

5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 - NULL Pointer Dereference
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@aarch64 —
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@src —
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@x86_64 —
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:binutils-devel-0:2.46.1-1.2.hum1@aarch64 —
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:binutils-devel-0:2.46.1-1.2.hum1@x86_64 —
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:binutils-gold-0:2.46.1-1.2.hum1@aarch64 —
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:binutils-gold-0:2.46.1-1.2.hum1@x86_64 —
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:binutils-gprofng-0:2.46.1-1.2.hum1@aarch64 —
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:binutils-gprofng-0:2.46.1-1.2.hum1@x86_64 —
Vendor Fix fix
Threats
Impact Moderate
CVE-2026-91780

A flaw was found in GNU Binutils. A local attacker can trigger a null pointer dereference by manipulating input to the 'elf_link_add_object_symbols' function. This can lead to a denial of service (DoS) condition, making the affected component unavailable.

5.0 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
CWE-476 - NULL Pointer Dereference
Affected products
Fixed 9 products, the same list as for CVE-2026-91779
Threats
Impact Moderate
CVE-2026-91781

A flaw was found in GNU Binutils. A local attacker could exploit a null pointer dereference vulnerability in the ELF Section Handler. This could lead to a Denial of Service (DoS), making the affected system or application unavailable.

3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE-476 - NULL Pointer Dereference
Affected products
Fixed 9 products, the same list as for CVE-2026-91779
Threats
Impact Low
CVE-2026-91782

A flaw was found in GNU Binutils. A local attacker could exploit a null pointer dereference in the `elf_x86_allocate_dynrelocs` function. This vulnerability could lead to a Denial of Service (DoS) condition, making the affected system or application unavailable.

5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 - NULL Pointer Dereference
Affected products
Fixed 9 products, the same list as for CVE-2026-91779
Threats
Impact Moderate
References
URL Category
https://access.redhat.com/errata/RHSA-2026:67961 self
https://access.redhat.com/security/cve/CVE-2026-91781 external
https://access.redhat.com/security/updates/classi… external
https://images.redhat.com/ external
https://access.redhat.com/security/cve/CVE-2026-91780 external
https://access.redhat.com/security/cve/CVE-2026-91779 external
https://access.redhat.com/security/cve/CVE-2026-91782 external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2026-91779 self
https://bugzilla.redhat.com/show_bug.cgi?id=2533619 external
https://www.cve.org/CVERecord?id=CVE-2026-91779 external
https://nvd.nist.gov/vuln/detail/CVE-2026-91779 external
https://github.com/Ech06/CVE_submit/blob/main/bug… external
https://sourceware.org/bugzilla/show_bug.cgi?id=34446 external
https://vuldb.com/cve/CVE-2026-91779 external
https://vuldb.com/submit/933333 external
https://vuldb.com/vuln/404050 external
https://vuldb.com/vuln/404050/cti external
https://www.gnu.org/ external
https://access.redhat.com/security/cve/CVE-2026-91780 self
https://bugzilla.redhat.com/show_bug.cgi?id=2533623 external
https://www.cve.org/CVERecord?id=CVE-2026-91780 external
https://nvd.nist.gov/vuln/detail/CVE-2026-91780 external
https://github.com/Ech06/CVE_submit/tree/main/bug… external
https://sourceware.org/bugzilla/show_bug.cgi?id=34447 external
https://vuldb.com/cve/CVE-2026-91780 external
https://vuldb.com/submit/933334 external
https://vuldb.com/vuln/404051 external
https://vuldb.com/vuln/404051/cti external
https://access.redhat.com/security/cve/CVE-2026-91781 self
https://bugzilla.redhat.com/show_bug.cgi?id=2533630 external
https://www.cve.org/CVERecord?id=CVE-2026-91781 external
https://nvd.nist.gov/vuln/detail/CVE-2026-91781 external
https://github.com/Ech06/CVE_submit/tree/main/bug… external
https://sourceware.org/bugzilla/show_bug.cgi?id=34449 external
https://sourceware.org/git/gitweb.cgi?p=binutils-… external
https://vuldb.com/cve/CVE-2026-91781 external
https://vuldb.com/submit/933336 external
https://vuldb.com/vuln/404052 external
https://vuldb.com/vuln/404052/cti external
https://access.redhat.com/security/cve/CVE-2026-91782 self
https://bugzilla.redhat.com/show_bug.cgi?id=2536064 external
https://www.cve.org/CVERecord?id=CVE-2026-91782 external
https://nvd.nist.gov/vuln/detail/CVE-2026-91782 external
https://github.com/Ech06/CVE_submit/tree/main/bug… external
https://sourceware.org/bugzilla/show_bug.cgi?id=34448 external
https://vuldb.com/cve/CVE-2026-91782 external
https://vuldb.com/submit/933335 external
https://vuldb.com/vuln/404053 external
https://vuldb.com/vuln/404053/cti external
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          "text": "A flaw was found in GNU Binutils. A local attacker can trigger a null pointer dereference within the Eh Frame Handler component by performing a specific manipulation. This vulnerability can lead to a Denial of Service (DoS), making the affected system or application unavailable.",
          "title": "Vulnerability description"
        },
        {
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          "text": "binutils: GNU Binutils: Denial of Service via null pointer dereference",
          "title": "Vulnerability summary"
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          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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        },
        {
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      "title": "binutils: GNU Binutils: Denial of Service via null pointer dereference"
    },
    {
      "cve": "CVE-2026-91780",
      "cwe": {
        "id": "CWE-476",
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      "ids": [
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          "text": "2533623"
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "binutils: GNU Binutils: Local denial of service via null pointer dereference",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat has rated this flaw as having a Moderate severity impact because triggering the crash requires processing a specially crafted ELF binary, which only terminates the specific binary utility without affecting the wider host system or persistent state. Binutils command-line tools are short-lived user-space utilities typically invoked during compilation and build operations rather than persistent listening services. As a result, the blast radius is confined to the crash of the active linking or inspection process, presenting no risk to system integrity or confidentiality.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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        "id": "CWE-476",
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          "text": "binutils: GNU Binutils: Local denial of service vulnerability",
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        },
        {
          "category": "other",
          "text": "This vulnerability is rated as Low severity because exploitation requires a local user to parse a specially crafted ELF file, and the resulting null pointer dereference only crashes the short-lived command-line utility. In typical Red Hat environments, GNU Binutils utilities run interactively or inside build pipelines with standard user privileges. The failure terminates the invoked tool process without exposing confidential data, altering system state, or compromising background system services.",
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        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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    },
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "binutils: GNU Binutils: Denial of Service via null pointer dereference",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated as Moderate severity rather than Low because successful exploitation terminates the binary utility abruptly during execution, yet the blast radius is strictly confined to the local invocation. In typical Red Hat Enterprise Linux environments, binutils utilities are executed on demand by local users or build systems rather than functioning as continuous network-facing daemons. An attacker must supply a specifically crafted binary or object file to trigger the crash, leaving the broader operating system and unrelated services unaffected.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@aarch64",
          "Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@src",
          "Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@x86_64",
          "Red Hat Hardened Images:binutils-devel-0:2.46.1-1.2.hum1@aarch64",
          "Red Hat Hardened Images:binutils-devel-0:2.46.1-1.2.hum1@x86_64",
          "Red Hat Hardened Images:binutils-gold-0:2.46.1-1.2.hum1@aarch64",
          "Red Hat Hardened Images:binutils-gold-0:2.46.1-1.2.hum1@x86_64",
          "Red Hat Hardened Images:binutils-gprofng-0:2.46.1-1.2.hum1@aarch64",
          "Red Hat Hardened Images:binutils-gprofng-0:2.46.1-1.2.hum1@x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-91782"
        },
        {
          "category": "external",
          "summary": "RHBZ#2536064",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2536064"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-91782",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-91782"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-91782",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91782"
        },
        {
          "category": "external",
          "summary": "https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34448",
          "url": "https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34448"
        },
        {
          "category": "external",
          "summary": "https://sourceware.org/bugzilla/show_bug.cgi?id=34448",
          "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34448"
        },
        {
          "category": "external",
          "summary": "https://vuldb.com/cve/CVE-2026-91782",
          "url": "https://vuldb.com/cve/CVE-2026-91782"
        },
        {
          "category": "external",
          "summary": "https://vuldb.com/submit/933335",
          "url": "https://vuldb.com/submit/933335"
        },
        {
          "category": "external",
          "summary": "https://vuldb.com/vuln/404053",
          "url": "https://vuldb.com/vuln/404053"
        },
        {
          "category": "external",
          "summary": "https://vuldb.com/vuln/404053/cti",
          "url": "https://vuldb.com/vuln/404053/cti"
        },
        {
          "category": "external",
          "summary": "https://www.gnu.org/",
          "url": "https://www.gnu.org/"
        }
      ],
      "release_date": "2026-09-15T09:00:14.180000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-16T10:15:43+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
            "Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@aarch64",
            "Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@src",
            "Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@x86_64",
            "Red Hat Hardened Images:binutils-devel-0:2.46.1-1.2.hum1@aarch64",
            "Red Hat Hardened Images:binutils-devel-0:2.46.1-1.2.hum1@x86_64",
            "Red Hat Hardened Images:binutils-gold-0:2.46.1-1.2.hum1@aarch64",
            "Red Hat Hardened Images:binutils-gold-0:2.46.1-1.2.hum1@x86_64",
            "Red Hat Hardened Images:binutils-gprofng-0:2.46.1-1.2.hum1@aarch64",
            "Red Hat Hardened Images:binutils-gprofng-0:2.46.1-1.2.hum1@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:67961"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@aarch64",
            "Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@src",
            "Red Hat Hardened Images:binutils-0:2.46.1-1.2.hum1@x86_64",
            "Red Hat Hardened Images:binutils-devel-0:2.46.1-1.2.hum1@aarch64",
            "Red Hat Hardened Images:binutils-devel-0:2.46.1-1.2.hum1@x86_64",
            "Red Hat Hardened Images:binutils-gold-0:2.46.1-1.2.hum1@aarch64",
            "Red Hat Hardened Images:binutils-gold-0:2.46.1-1.2.hum1@x86_64",
            "Red Hat Hardened Images:binutils-gprofng-0:2.46.1-1.2.hum1@aarch64",
            "Red Hat Hardened Images:binutils-gprofng-0:2.46.1-1.2.hum1@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "binutils: GNU Binutils: Denial of Service via null pointer dereference"
    }
  ]
}



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