Source: wolfssl Version: 5.8.2-1.2 Severity: important Tags: security upstream Forwarded: https://github.com/wolfSSL/wolfssl/pull/9113 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for wolfssl. CVE-2025-11934[0]: | Improper input validation in the TLS 1.3 CertificateVerify signature | algorithm negotiation in wolfSSL 5.8.2 and earlier on multiple | platforms allows for downgrading the signature algorithm used. For | example when a client sends ECDSA P521 as the supported signature | algorithm the server previously could respond as ECDSA P256 being | the accepted signature algorithm and the connection would continue | with using ECDSA P256, if the client supports ECDSA P256. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2025-11934 https://www.cve.org/CVERecord?id=CVE-2025-11934 [1] https://github.com/wolfSSL/wolfssl/pull/9113 [2] https://github.com/wolfSSL/wolfssl/commit/2810656242f18b813c1fbea117f68ac19193381f Please adjust the affected versions in the BTS as needed. Regards, Salvatore
