CVE-2024-3096: medium-severity vulnerability in PHP
PHP function password_verify can erroneously return true when argument contains NUL
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 1.5%
In PHP version 8.1.* before 8.1.28, 8.2.* before 8.2.18, 8.3.* before 8.3.5, if a password stored with password_hash() starts with a null byte (\x00), testing a blank string as the password via password_verify() will incorrectly return true.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected products
PHP Group · PHPRelated CVEs — PHP
In the same product, most dangerous first.
CVE-2026-109619CRITICALRCE via stale global stateEPSS 100.0%KEVCVE-2026-109618CRITICALRCE via OOM corruptionEPSS 100.0%KEVCVE-2024-4577CRITICALArgument Injection in PHP-CGIEPSS 100.0%KEVCVE-2022-31626HIGHmysqlnd/pdo password buffer overflowEPSS 58.1%CVE-2022-31629MEDIUM$_COOKIE names string replacement (. -> _): cookie integrity vulnerabilitiesEPSS 49.6%CVE-2024-2756MEDIUM__Host-/__Secure- cookie bypass due to partial CVE-2022-31629 fixEPSS 38.1%
References
https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmrhttps://lists.debian.org/debian-lts-announce/2024/05/msg00005.htmlhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGWIK3HMBACERGB4TSBB2JUOMPYY2VKY/https://security.netapp.com/advisory/ntap-20240510-0010/http://www.openwall.com/lists/oss-security/2024/04/12/11