High severityNVD Advisory· Published Mar 1, 2024· Updated Aug 13, 2024
CVE-2024-27355
CVE-2024-27355
Description
An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. When processing the ASN.1 object identifier of a certificate, a sub identifier may be provided that leads to a denial of service (CPU consumption for decodeOID).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
phpseclib/phpseclibPackagist | >= 2.0.0, < 2.0.47 | 2.0.47 |
phpseclib/phpseclibPackagist | >= 3.0.0, < 3.0.36 | 3.0.36 |
phpseclib/phpseclibPackagist | >= 0.1.1, < 1.0.23 | 1.0.23 |
Affected products
3- ghsa-coords2 versions
>= 2.0.0, < 2.0.47+ 1 more
- (no CPE)range: >= 2.0.0, < 2.0.47
- (no CPE)range: < 1.2.30+git457.e55c2aea-1.1
Patches
Vulnerability mechanics
Generated on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
9- github.com/advisories/GHSA-f2qx-66wf-wvvxghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-27355ghsaADVISORY
- gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0bghsaWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/phpseclib/phpseclib/CVE-2024-27355.yamlghsaWEB
- github.com/phpseclib/phpseclib/blob/978d081fe50ff92879c50ff143c62a143edb0117/phpseclib/File/ASN1.phpghsaWEB
- github.com/phpseclib/phpseclib/commit/e32531001b4d62c66c3d824ccef54ffad835eb59ghsaWEB
- github.com/phpseclib/phpseclib/security/advisories/GHSA-f2qx-66wf-wvvxghsaWEB
- lists.debian.org/debian-lts-announce/2024/03/msg00002.htmlghsamailing-listWEB
- lists.debian.org/debian-lts-announce/2024/03/msg00003.htmlghsamailing-listWEB
News mentions
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