CVE-2025-49133

The CVE-2025-49133 entry affects libtpms, a TPM functionality library for virtual machines, with a flaw in CryptHmacSign that pairs signKey (ALG_KEYEDHASH) with inScheme (ECC/RSA) leading to an out-of-bounds read. The issue can be triggered by sending malicious TPM 2.0 commands to a vTPM (swtpm) ...

CVE-2021-3505

CVE-2021-3505 affects libtpms

CVE-2021-3446

CVE-2021-3446 affects libtpms prior to 0.8.2, where the OpenSSL integration erroneously returns the initial IV instead of the last IV for certain symmetric ciphers, weakening confidentiality. Affected packages have been addressed in downstream advisories (e.g., Mageia MGASA-2021-0590; OSV entries...

CVE-2021-3569

CVE-2021-3569 describes a stack corruption bug in libtpms that occurs when decrypting data using RSA. Affected versions are before 0.7.2 and before 0.8.0, and the flaw can cause a SIGBUS (bad memory access) and termination of swtpm, with the highest impact on availability. The connected sources c...

CVE-2026-21444

CVE-2026-21444 affects libtpms when integrated with OpenSSL 3.x, with vulnerable versions 0.10.0 and 0.10.1. The issue is that the library returns the initial IV instead of the last IV for certain symmetric ciphers, weakening confidentiality. Affected deployments using OpenSSL 3.x are at risk of ...