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Servers and applications

CVE-2015-2326

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))/".

Severity
Medium 5.5
Published
14 Jan 2020
Last changed
17 Jun 2026
Added to UpHeron
14 Oct 2026
Fixed in
5.4.41, 5.5.26, 5.6.9, 10.0.18
Sources
NVD

Affected software

SoftwareAffected versions
MariaDBServers and applications · cpe:a:mariadb:mariadb
  • From 10.0.0 before 10.0.18
PHPServers and applications · cpe:a:php:php
  • From 5.4.0 before 5.4.41
  • From 5.5.0 before 5.5.26
  • From 5.6.0 before 5.6.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-2326
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-2326