CVE-2015-8394

moderate-risk

Published 2015-12-02

PCRE before 8.38 mishandles the (?(<digits>) and (?(R<digits>) conditions, which allows remote attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Do I need to act?

1.9% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (2)

Php

Perl Compatible Regular Expression Library

Affected Vendors

Php Pcre

References (16)

Mailing List http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.ht...

Broken Link http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup

Mailing List http://www.openwall.com/lists/oss-security/2015/11/29/1

Third Party Advisory http://www.securityfocus.com/bid/82990

Permissions Required https://bto.bluecoat.com/security-advisory/sa128

Third Party Advisory https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c...

Third Party Advisory https://security.gentoo.org/glsa/201607-02

https://security.netapp.com/advisory/ntap-20230216-0002/

Mailing List http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.ht...

Broken Link http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup

Mailing List http://www.openwall.com/lists/oss-security/2015/11/29/1

Third Party Advisory http://www.securityfocus.com/bid/82990

Permissions Required https://bto.bluecoat.com/security-advisory/sa128

Third Party Advisory https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c...

Third Party Advisory https://security.gentoo.org/glsa/201607-02

https://security.netapp.com/advisory/ntap-20230216-0002/

/ 100

moderate-risk

Severity 32/34 · Critical

Exploitability 5/34 · Minimal

Exposure 7/34 · Low