Debian/php8.4: medium 6.5
php_openssl_matches_wildcard_name() in ext/openssl/xp_ssl.c underflows the length argument passed to memchr() when a TLS server certificate presents a wildcard name whose literal characters are togeth
Action: Upgrade php8.4 to 8.4.26-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 8.4.26-1~deb13u1 | - |
Fixed versions
| 8.4.26-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-91767#Debian:13/php8.4
- https://security-tracker.debian.org/tracker/CVE-2026-91767
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