UpHeron
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Servers and applications

CVE-2015-8389

PCRE before 8.38 mishandles the /(?:|a|){100}x/ pattern and related patterns, which allows remote attackers to cause a denial of service (infinite recursion) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Severity
Critical 9.8
Published
2 Dec 2015
Last changed
17 Jun 2026
Added to UpHeron
14 Oct 2026
Fixed in
5.5.32, 5.6.18, 7.0.3
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • From 5.5.0 before 5.5.32
  • From 5.6.0 before 5.6.18
  • From 7.0.0 before 7.0.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-8389
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-8389