| Name | CVE-2026-14355 |
| Description | In PHP versions 8.2.* before 8.2.32, 8.3.* before 8.3.32, 8.4.* before 8.4.23, 8.5.* before 8.5.8, the AES-WRAP-PAD algorithm implementation in OpenSSL extension contains a buffer allocation flaw. The output buffer for the AES key-wrap-with-padding operation is sized from the plaintext length without accounting for RFC 5649 expansion. This may cause OpenSSL to write beyond allocated memory, corrupting heap metadata and triggering application abort. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4669-1, DSA-6377-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| php7.4 (PTS) | bullseye | 7.4.33-1+deb11u5 | vulnerable |
| bullseye (security) | 7.4.33-1+deb11u11 | vulnerable |
| php8.2 (PTS) | bookworm, bookworm (security) | 8.2.32-1~deb12u1 | fixed |
| php8.4 (PTS) | trixie (security), trixie | 8.4.23-1~deb13u1 | fixed |
| forky, sid | 8.4.23-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bullseye] - php7.4 <ignored> (AES wrap-pad path unreachable under OpenSSL 1.1.1)
https://github.com/php/php-src/security/advisories/GHSA-7jrw-539f-x6vr
https://github.com/php/php-src/issues/22186
https://github.com/php/php-src/commit/169226847426368c62992af43c2c39b0fdbff4d5 (php-8.4.23RC1)
php7.4/bullseye links OpenSSL 1.1.1w, which rejects AES *-wrap ciphers at
EVP_CipherInit (EVP_R_WRAP_MODE_NOT_ALLOWED) unless EVP_CIPHER_CTX_FLAG_WRAP_ALLOW
is set; php never sets it, so the undersized buffer in php_openssl_cipher_update()
is not reachable. Reachable only with OpenSSL 3.x.