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.
- Score
- CVSS 3.1 5.9 Medium
- Status
- Awaiting Analysis - secalert@redhat.com
- Published
- 2026-08-27
- Last modified
- 2026-09-09
- Weaknesses
- CWE-770
Affected products
- Ansible Automation Platform (Redhat)
- Enterprise Linux (Redhat)
- Openshift Ai (Redhat)
- Openstack (Redhat)
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
