CVE-2015-8392
pcre: buffer overflow caused by patterns with duplicated named groups with (?| (8.38/27)
Severity
ImportantRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · November 23, 2015
Updated · November 2, 2026
Description
PCRE before 8.38 mishandles certain instances of the (?| substring, which allows remote attackers to cause a denial of service (unintended recursion and buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, a related issue to CVE-2015-8384 and CVE-2015-8395.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P
CWE-120 · Buffer Copy without Checking Size of Input