SUSE-SU-2026:23722-1

Vulnerability from csaf_suse - Published: 2026-09-10 09:38 - Updated: 2026-09-29 08:19
Summary
Security update for python-jwcrypto
Severity
Moderate
Notes
Title of the patch: Security update for python-jwcrypto
Description of the patch: This update for python-jwcrypto fixes the following issues: - CVE-2026-80179: denial of service via malformed JWE tokens (bsc#1277639). - CVE-2026-84185: general JSON JWS kid binding bypass during JWKSet verification (bsc#1278707).
Patchnames: SUSE-SLES-16.0-1655
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-80179
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Server 16.0:python313-jwcrypto-0:1.5.6-160000.4.1.noarch —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:python313-jwcrypto-0:1.5.6-160000.4.1.noarch —
Vendor Fix
Threats
Impact moderate
CVE-2026-84185
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N
Affected products
Recommended 2 products, the same list as for CVE-2026-80179
Threats
Impact moderate
References
To clipboard 

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          "text": "A flaw was found in the jwcrypto library, which is used for implementing Javascript Object Signing and Encryption (JOSE) standards. The issue occurs when the library verifies a General JSON Serialization JWS using a set of keys. Due to a coding error, the library fails to correctly identify the specific key ID (kid) and may instead accept a signature made by any valid key in the set. This can allow an attacker with a valid key to bypass authorization checks in applications that rely on the key ID to identify specific tenants or users.",
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}



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