CVE-2011-3336

highpriority · track · 42EPSS 0.065 · 94 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

6.49% (94th) EPSS

CVSS 7.8 · high

Is it mine?

5 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-36288Libc - 'regcomp()' Stack Exhaustion Denial of Servicefunctional · exploit_db

affected products (5)

Products and version ranges known to be affected.

Apple macOS≤ through 2011enisa_euvdEU
apple mac os x10.6.0 → 10.7.2nvdUScpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
freebsd freebsd= 8.2nvdUScpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
openbsd openbsd= 5.0nvdUScpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*
php php5.3.0 → 5.3.10nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2020-02-12modified 2026-06-16

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+9611 more

references (8)

External citations — patches, advisories, analysis.

http://seclists.org/fulldisclosure/2014/Mar/166 enisa_euvd
http://www.securityfocus.com/bid/50541 enisa_euvd
https://cxsecurity.com/issue/WLB-2011110082 enisa_euvd
https://www.securityfocus.com/archive/1/520390 enisa_euvd
http://seclists.org/fulldisclosure/2014/Mar/166ExploitMailing ListThird Party Advisorynvd
http://www.securityfocus.com/bid/50541ExploitThird Party AdvisoryVDB Entrynvd
https://cxsecurity.com/issue/WLB-2011110082ExploitThird Party Advisorynvd
https://www.securityfocus.com/archive/1/520390ExploitThird Party AdvisoryVDB Entrynvd

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