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Ubuntu: USN-2943-1 (CVE-2016-1283): PCRE vulnerabilities

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Ubuntu: USN-2943-1 (CVE-2016-1283): PCRE vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
01/02/2016
Created
07/25/2018
Added
04/04/2016
Modified
09/12/2020

Description

The pcre_compile2 function in pcre_compile.c in PCRE 8.38 mishandles the /((?:F?+(?:^(?(R)a+\"){99}-))(?J)(?'R'(?'R'<((?'RR'(?'R'\){97)?J)?J)(?'R'(?'R'\){99|(:(?|(?'R')(\k'R')|((?'R')))H'R'R)(H'R))))))/ pattern and related patterns with named subgroups, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Solution(s)

  • ubuntu-upgrade-libpcre3

References

  • USN-2694-1
  • USN-2943-1
  • 79825
  • 1034555
  • RHSA-2016:1132
  • GLSA-201607-02
  • CVE-2016-1283
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