CVE-2015-2326

medium

Description

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))/".

References

https://www.pcre.org/original/changelog.txt

https://fortiguard.com/zeroday/FG-VD-15-016

http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html

Details

Source: Mitre, NVD

Published: 2020-01-14

Updated: 2023-01-19

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium