CVE-2024-27354

Packagist/phpseclib/phpseclib CVE-2024-27354: high 7.5, EPSS 0.60%

phpseclib: guardrails needed on isPrime and randomPrime

Action: Upgrade phpseclib/phpseclib to 1.0.23 or later.

composer require phpseclib/phpseclib:1.0.23

composer require phpseclib/phpseclib:2.0.47

composer require phpseclib/phpseclib:3.0.36

Affected

Fixed versions

Sources

• osv: GHSA-2528-jw5q-ww88
• https://github.com/phpseclib/phpseclib/security/advisories/GHSA-2528-jw5q-ww88
• https://nvd.nist.gov/vuln/detail/CVE-2024-27354
• https://github.com/phpseclib/phpseclib/commit/2870c8fab3f132d2ed40a66c97a36fe5ab625698
• https://github.com/phpseclib/phpseclib/commit/ad5dbdf2129f5e0fb644637770b7f33de8ca8575
• https://github.com/phpseclib/phpseclib/commit/c55b75199ec8d12cec6eadf6da99da4a3712fe56
• https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b
• https://github.com/FriendsOfPHP/security-advisories/blob/master/phpseclib/phpseclib/CVE-2024-27354.yaml
• https://github.com/phpseclib/phpseclib
• https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49
• https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html
• https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html

CVE-2024-27354 · published 2026-05-06T17:57:10Z · modified 2026-05-06T18:11:13.420206Z · JSON