// For flags

CVE-2011-3336

Libc - 'regcomp()' Stack Exhaustion Denial of Service

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

5
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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

regcomp en la implementaciĆ³n BSD de libc, es vulnerable a una denegaciĆ³n de servicio debido al agotamiento de la pila.

Mac OS X, Safari, Firefox and Kaspersky all suffer from a regular expression denial of service condition that was discovered long ago in regcomp().

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2011-08-29 CVE Reserved
  • 2011-11-04 CVE Published
  • 2011-11-04 First Exploit
  • 2024-08-06 CVE Updated
  • 2024-10-09 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Php
Search vendor "Php"
Php
Search vendor "Php" for product "Php"
>= 5.3.0 <= 5.3.10
Search vendor "Php" for product "Php" and version " >= 5.3.0 <= 5.3.10"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
>= 10.6.0 <= 10.7.2
Search vendor "Apple" for product "Mac Os X" and version " >= 10.6.0 <= 10.7.2"
-
Affected
Freebsd
Search vendor "Freebsd"
Freebsd
Search vendor "Freebsd" for product "Freebsd"
8.2
Search vendor "Freebsd" for product "Freebsd" and version "8.2"
-
Affected
Openbsd
Search vendor "Openbsd"
Openbsd
Search vendor "Openbsd" for product "Openbsd"
5.0
Search vendor "Openbsd" for product "Openbsd" and version "5.0"
-
Affected