# CVE-2025-31335: libsaml9: The OpenSAML C++ library before 3.3.1 allows forging of signed SAML messages via parameter manipulation (when using S... CVE-2025-31335 is fixed in 10 products on 1 platform, first by DSA-5879-1, released March 16, 2025. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2025-31335 - Priority: Routine - CVSS: 4.0 (Medium) - EPSS: 0.0025 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Mar 16, 2025 ## Description The OpenSAML C++ library before 3.3.1 allows forging of signed SAML messages via parameter manipulation (when using SAML bindings that rely on non-XML signatures). ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libsaml10 Ubuntu 20.04 LTS (focal) | 3.0.1-1ubuntu0.1 | [libsaml10 3.0.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libsaml10-3.0.1-1ubuntu0.1.md) | Mar 27, 2025 | | Linux | libsaml12 Ubuntu 22.04.1 LTS (jammy) | 3.2.1-1ubuntu0.1 | [libsaml12 3.2.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libsaml12-3.2.1-1ubuntu0.1.md) | Mar 27, 2025 | | Linux | libsaml12t64 Ubuntu 24.04.5 LTS (noble) | 3.2.1-4.1ubuntu0.24.04.1 | [libsaml12t64 3.2.1-4.1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libsaml12t64-3.2.1-4.1ubuntu0.24.04.1.md) | Mar 27, 2025 | | Linux | libsaml12t64 Ubuntu 24.10 (oracular) | 3.2.1-4.1ubuntu0.24.10.1 | [libsaml12t64 3.2.1-4.1ubuntu0.24.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libsaml12t64-3.2.1-4.1ubuntu0.24.10.1.md) | Jan 16, 2026 | | Linux | libsaml13 Ubuntu 25.04 (plucky) | 3.3.0-2ubuntu1 | [libsaml13 3.3.0-2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libsaml13-3.3.0-2ubuntu1.md) | Jan 16, 2026 | | Linux | libsaml9 Ubuntu 18.04.6 LTS (bionic) | 2.6.1-1ubuntu0.1~esm1 | [libsaml9 2.6.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsaml9-2.6.1-1ubuntu0.1-esm1.md) | Mar 27, 2025 | | Linux | opensaml Debian 11.6 (bullseye) | 3.2.0-2+deb11u1 | [DLA-4093-1](https://patchblox.com/security/data/fix/linux/dla-4093-1.md) | Mar 27, 2025 | | Linux | opensaml Debian 12.15 (bookworm) | 3.2.1-3+deb12u1 | [DSA-5879-1](https://patchblox.com/security/data/fix/linux/dsa-5879-1.md) | Mar 16, 2025 | | Linux | opensaml Debian 13.5 (trixie) | 3.3.1-1 | [DEBIAN-CVE-2025-31335](https://patchblox.com/security/data/fix/linux/debian-cve-2025-31335.md) | Mar 28, 2025 | | Linux | opensaml Debian 14 | 3.3.1-1 | [DEBIAN-CVE-2025-31335](https://patchblox.com/security/data/fix/linux/debian-cve-2025-31335.md) | Mar 28, 2025 | | Linux | opensaml opensuse-leap 15.6 | 3.1.0-150300.3.3.1 | [SUSE-SU-2025:1500-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1500-1.md) | May 7, 2025 | | Linux | opensaml sles 15.6 | 3.1.0-150300.3.3.1 | [SUSE-SU-2025:1500-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1500-1.md) | May 7, 2025 | | Linux | opensaml sles 15.7 | 3.1.0-150300.3.3.1 | [SUSE-SU-2025:01500-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01500-1.md) | Jun 5, 2025 | | Linux | opensaml-schemas Ubuntu 20.04 LTS (focal) | 3.0.1-1ubuntu0.1 | [opensaml-schemas 3.0.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-opensaml-schemas-3.0.1-1ubuntu0.1.md) | Mar 27, 2025 | | Linux | opensaml-schemas Ubuntu 22.04.1 LTS (jammy) | 3.2.1-1ubuntu0.1 | [opensaml-schemas 3.2.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-opensaml-schemas-3.2.1-1ubuntu0.1.md) | Mar 27, 2025 | | Linux | opensaml-schemas Ubuntu 24.04.5 LTS (noble) | 3.2.1-4.1ubuntu0.24.04.1 | [opensaml-schemas 3.2.1-4.1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-opensaml-schemas-3.2.1-4.1ubuntu0.24.04.1.md) | Mar 27, 2025 | | Linux | opensaml-schemas Ubuntu 24.10 (oracular) | 3.2.1-4.1ubuntu0.24.10.1 | [opensaml-schemas 3.2.1-4.1ubuntu0.24.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-opensaml-schemas-3.2.1-4.1ubuntu0.24.10.1.md) | Jan 16, 2026 | | Linux | opensaml-schemas Ubuntu 25.04 (plucky) | 3.3.0-2ubuntu1 | [opensaml-schemas 3.3.0-2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-opensaml-schemas-3.3.0-2ubuntu1.md) | Jan 16, 2026 | | Linux | opensaml-tools Ubuntu 20.04 LTS (focal) | 3.0.1-1ubuntu0.1 | [opensaml-tools 3.0.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-opensaml-tools-3.0.1-1ubuntu0.1.md) | Mar 27, 2025 | | Linux | opensaml-tools Ubuntu 22.04.1 LTS (jammy) | 3.2.1-1ubuntu0.1 | [opensaml-tools 3.2.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-opensaml-tools-3.2.1-1ubuntu0.1.md) | Mar 27, 2025 | | Linux | opensaml-tools Ubuntu 24.04.5 LTS (noble) | 3.2.1-4.1ubuntu0.24.04.1 | [opensaml-tools 3.2.1-4.1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-opensaml-tools-3.2.1-4.1ubuntu0.24.04.1.md) | Mar 27, 2025 | | Linux | opensaml-tools Ubuntu 24.10 (oracular) | 3.2.1-4.1ubuntu0.24.10.1 | [opensaml-tools 3.2.1-4.1ubuntu0.24.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-opensaml-tools-3.2.1-4.1ubuntu0.24.10.1.md) | Jan 16, 2026 | | Linux | opensaml-tools Ubuntu 25.04 (plucky) | 3.3.0-2ubuntu1 | [opensaml-tools 3.3.0-2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-opensaml-tools-3.3.0-2ubuntu1.md) | Jan 16, 2026 | | Linux | opensaml2-schemas Ubuntu 18.04.6 LTS (bionic) | 2.6.1-1ubuntu0.1~esm1 | [opensaml2-schemas 2.6.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-opensaml2-schemas-2.6.1-1ubuntu0.1-esm1.md) | Mar 27, 2025 | | Linux | opensaml2-schemas Ubuntu 20.04 LTS (focal) | 3.0.1-1ubuntu0.1 | [opensaml2-schemas 3.0.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-opensaml2-schemas-3.0.1-1ubuntu0.1.md) | Mar 27, 2025 | | Linux | opensaml2-tools Ubuntu 18.04.6 LTS (bionic) | 2.6.1-1ubuntu0.1~esm1 | [opensaml2-tools 2.6.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-opensaml2-tools-2.6.1-1ubuntu0.1-esm1.md) | Mar 27, 2025 | | Linux | opensaml2-tools Ubuntu 20.04 LTS (focal) | 3.0.1-1ubuntu0.1 | [opensaml2-tools 3.0.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-opensaml2-tools-3.0.1-1ubuntu0.1.md) | Mar 27, 2025 | --- Data as of 2026-11-08T00:53:09Z UTC. 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