// For flags

CVE-2015-2326

pcre: heap buffer over-read in pcre_compile2() (8.37/23)

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".

La función pcre_compile2 en PCRE versiones anteriores a 8.37, permite a atacantes dependiendo del contexto compilar código incorrecto y causar una denegación de servicio (lectura fuera de límites) mediante una expresión regular con un grupo que contiene una llamada de subrutina de referencia directa y una referencia inversa recursiva, como es demostrado por "((? +1)(\1))/".

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2015-03-18 CVE Reserved
  • 2015-06-12 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-06 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Pcre
Search vendor "Pcre"
Pcre
Search vendor "Pcre" for product "Pcre"
< 8.37
Search vendor "Pcre" for product "Pcre" and version " < 8.37"
-
Affected
Opensuse
Search vendor "Opensuse"
Opensuse
Search vendor "Opensuse" for product "Opensuse"
13.1
Search vendor "Opensuse" for product "Opensuse" and version "13.1"
-
Affected
Opensuse
Search vendor "Opensuse"
Opensuse
Search vendor "Opensuse" for product "Opensuse"
13.2
Search vendor "Opensuse" for product "Opensuse" and version "13.2"
-
Affected
Mariadb
Search vendor "Mariadb"
Mariadb
Search vendor "Mariadb" for product "Mariadb"
>= 10.0.0 < 10.0.18
Search vendor "Mariadb" for product "Mariadb" and version " >= 10.0.0 < 10.0.18"
-
Affected
Php
Search vendor "Php"
Php
Search vendor "Php" for product "Php"
>= 5.4.0 < 5.4.41
Search vendor "Php" for product "Php" and version " >= 5.4.0 < 5.4.41"
-
Affected
Php
Search vendor "Php"
Php
Search vendor "Php" for product "Php"
>= 5.5.0 < 5.5.26
Search vendor "Php" for product "Php" and version " >= 5.5.0 < 5.5.26"
-
Affected
Php
Search vendor "Php"
Php
Search vendor "Php" for product "Php"
>= 5.6.0 < 5.6.9
Search vendor "Php" for product "Php" and version " >= 5.6.0 < 5.6.9"
-
Affected