MEDIUM 5.9 NVD
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 malform
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.
References
- 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
This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-08-28 via NVD.
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