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FreeBSD: pcre -- stack buffer overflow (CVE-2016-3191)

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FreeBSD: pcre -- stack buffer overflow (CVE-2016-3191)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
03/17/2016
Created
07/25/2018
Added
03/21/2016
Modified
10/30/2017

Description

The compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c in PCRE2 before 10.22 mishandles patterns containing an (*ACCEPT) substring in conjunction with nested parentheses, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-3542.

Solution(s)

  • freebsd-upgrade-package-pcre
  • freebsd-upgrade-package-pcre2

References

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