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VULNERABILITIES

CVE-2026-80179 Details

Description

A flaw was found in jwcrypto. A remote attacker can send a specially crafted JSON Web Encryption (JWE) token containing numerous period delimiters. This malformed token can force the JWE.deserialize() function to allocate excessive memory, leading to a MemoryError. This issue results in a denial of service (DoS) for services that process untrusted JWE values.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/latchset/jwcrypto/security/advisories/GHSA-96rv-c4vc-h4f4 CISA-ADP
https://access.redhat.com/security/cve/CVE-2026-80179 [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2524147 [email protected]
https://github.com/latchset/jwcrypto/security/advisories/GHSA-96rv-c4vc-h4f4 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-770Allocation of Resources Without Limits or Throttling[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-80179
NVD Published Date:
Aug 28, 2026
NVD Last Modified:
Aug 31, 2026
Source:
[email protected]
CVE-2026-80179 Details - Not Deferred