regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
Priority MEDIUM 42CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
Why it matters now
EPSS 0.06485 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | macOS | through 2011 | — | No fix listed | CNA |
- macOS VendorApple Affected through 2011 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | 5.3.0 – 5.3.10 | Vulnerable | PHP |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | 10.6.0 – 10.7.2 | Vulnerable | Apple |
| cpe:2.3:o:freebsd:freebsd:8.2:-:*:*:*:*:*:* | 8.2 | Vulnerable | FreeBSD |
| cpe:2.3:o:openbsd:openbsd:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | OpenBSD |
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions 5.3.0 – 5.3.10 Vulnerable ·PHP
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions 10.6.0 – 10.7.2 Vulnerable ·Apple
- cpe:2.3:o:freebsd:freebsd:8.2:-:*:*:*:*:*:* Versions 8.2 Vulnerable ·FreeBSD
- cpe:2.3:o:openbsd:openbsd:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·OpenBSD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3336
- 2026-10-03 Alias added: GHSA-g49p-q335-6257
More Apple Mac Os X vulnerabilities
- TI-2021-01573 Apple iOS and iPadOS: A remote attacker may be able to cause arbitrary code execution KEVCVSS 3.1CRITICAL 9.8
- TI-2021-01572 Apple iOS and iPadOS: A remote attacker may be able to cause arbitrary code execution KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
- TI-2012-01607 sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI… KEVCVSS 3.1CRITICAL 9.8
- TI-2022-02117 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2011-3336 · CVE Program
- CVE-2011-3336 · NVD
- FIRST EPSS
- GHSA-g49p-q335-6257 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences