CVE-2026-44167
HIGH7.5EPSS 0.03%phpseclib has a CVE-2024-27355 mitigation bypass — OID amplification DoS in ASN1::decodeOID()
Published: 5/5/2026Modified: 5/27/2026
Description
phpseclib is a PHP secure communications library. Prior to 1.0.29, 2.0.54, and 3.0.52, anyone loading untrusted ASN1 files (eg. X509 certificates, RSA PKCS8 private or public keys, etc). This is a bypass of CVE-2024-27355. This vulnerability is fixed in 1.0.29, 2.0.54, and 3.0.52.
Affected packages (4)
- Debian/php-phpseclibfrom 0
- Debian/php-phpseclib3from 0, < 3.0.19-1+deb12u6
- Debian/phpseclibfrom 0
- Packagist/phpseclib/phpseclib>= 0.1.1, < 1.0.29
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-44167
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-44167
- PATCHhttps://github.com/phpseclib/phpseclib
- WEBhttps://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc
- WEBhttps://github.com/phpseclib/phpseclib/security/advisories/GHSA-3qpq-r242-jqj7