CVE-2015-8386

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

PCRE before 8.38 mishandles the interaction of lookbehind assertions and mutually recursive subpatterns, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Dec 2, 2015
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2015

CVE-2015-83877.3PCRE before 8.38 mishandles (?123) subroutine calls and related subroutine calls, which allows remote attackers to cause a denial of serviceCVE-2015-83887.5PCRE before 8.38 mishandles the /(?=di(?<=(?1))|(?=(.))))/ pattern and related patterns with an unmatched closing parenthesis, which allows CVE-2015-83899.8PCRE before 8.38 mishandles the /(?:|a|){100}x/ pattern and related patterns, which allows remote attackers to cause a denial of service (inCVE-2015-83909.8PCRE before 8.38 mishandles the [: and \\ substrings in character classes, which allows remote attackers to cause a denial of service (uniniCVE-2015-83919.8The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a deniCVE-2015-83927.5PCRE before 8.38 mishandles certain instances of the (?| substring, which allows remote attackers to cause a denial of service (unintended rCVE-2015-83937.5pcregrep in PCRE before 8.38 mishandles the -q option for binary files, which might allow remote attackers to obtain sensitive information vCVE-2015-83949.8PCRE before 8.38 mishandles the (?(<digits>) and (?(R<digits>) conditions, which allows remote attackers to cause a denial of service (integCVE-2015-83957.5PCRE before 8.38 mishandles certain references, which allows remote attackers to cause a denial of service or possibly have unspecified otheCVE-2015-839610.0Integer overflow in the ImageRegionReader::ReadIntoBuffer function in MediaStorageAndFileFormat/gdcmImageRegionReader.cxx in Grassroots DICOCVE-2015-83978.2The JPEGLSCodec::DecodeExtent function in MediaStorageAndFileFormat/gdcmJPEGLSCodec.cxx in Grassroots DICOM (aka GDCM) before 2.6.2 allows rCVE-2015-83986.1Cross-site scripting (XSS) vulnerability in Atlassian Confluence before 5.8.17 allows remote attackers to inject arbitrary web script or HTM
CVE-2015-8386: Critical severity, CVSS 9.8 | Vulnix