CVE-2026-80179

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.

CVSS v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2026-80179
https://bugzilla.redhat.com/show_bug.cgi?id=2524147
https://github.com/latchset/jwcrypto/security/advisories/GHSA-96rv-c4vc-h4f4
https://github.com/latchset/jwcrypto/security/advisories/GHSA-96rv-c4vc-h4f4

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-28 00:18

Updated : 2026-08-31 21:17

NVD link : CVE-2026-80179

Mitre link : CVE-2026-80179

CVE.ORG link : CVE-2026-80179

JSON object : View

Products Affected

No product.

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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