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CVE-2011-3336
regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
High7.5EPSS 6.5%
- Published
- Updated
- Reserved
- Assigned by
- certcc
Description
regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
Timeline
ID reserved
By certcc
- 8 years later
· 8 years later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 6.5% · top 6.2% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- denial of service
- CWE-400 (opens in a new tab)All about CWE-400 and its CVEs
Affected products
References (4)
- 20140314 MacOSX Safari Firefox Kaspersky RegExp Remote/Local Denial of Service (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 50541 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20111104 Multiple BSD libc/regcomp(3) Multiple Vulnerabilities (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- https://cxsecurity.com/issue/WLB-2011110082 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-3336)Record last updated .