CVE-2026-44662

NameCVE-2026-44662
Descriptionrust-openssl provides OpenSSL bindings for the Rust programming language. From 0.10.0 to before 0.10.79, CipherCtxRef::cipher_update, CipherCtxRef::cipher_update_vec, and symm::Crypter::update incorrectly sized output buffers when used with AES key-wrap-with-padding ciphers (EVP_aes_{128,192,256}_wrap_pad). For a non-multiple-of-8 input, OpenSSL writes up to 7 bytes past the end of the caller's buffer or Vec, producing attacker-controllable heap corruption when the plaintext length is attacker-influenced. This only impacts users using AES key-wrap-with-padding ciphers. This vulnerability is fixed in 0.10.79.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
rust-openssl (PTS)bullseye0.10.29-1vulnerable
bullseye (security)0.10.29-1+deb11u1vulnerable
bookworm0.10.45-1vulnerable
trixie0.10.72-1vulnerable
forky0.10.73-1vulnerable
sid0.10.78-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
rust-opensslsource(unstable)(unfixed)

Notes

https://github.com/rust-openssl/rust-openssl/security/advisories/GHSA-xv59-967r-8726

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