CVE-2011-3336 EXPLOIT
7.5
HIGH · CVSS 3.1 · EPSS 6.5% (pctl 94)
Patch early
A public exploit exists.
Description
regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
Scoring
| CVSS | 7.5 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 6.49% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-400 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2020-02-12 |
| Last modified | 2026-06-16 |
Affected (4)
| Vendor | Product |
|---|---|
| apple | mac os x |
| freebsd | freebsd |
| openbsd | openbsd |
| php | php |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Libc - 'regcomp()' Stack Exhaustion Denial of Service | 2011-11-04 |
References
- http://seclists.org/fulldisclosure/2014/Mar/166
- http://www.securityfocus.com/bid/50541
- https://cxsecurity.com/issue/WLB-2011110082
- https://www.securityfocus.com/archive/1/520390
- http://seclists.org/fulldisclosure/2014/Mar/166
- http://www.securityfocus.com/bid/50541
- https://cxsecurity.com/issue/WLB-2011110082
- https://www.securityfocus.com/archive/1/520390
→ the Explorer · watch your stack · NVD