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CVE-2015-2326

Published: 1 April 2015

The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".

Priority

Low

CVSS 3 base score: 5.5

Status

Package Release Status
pcre3
Launchpad, Ubuntu, Debian
lucid Ignored
(reached end-of-life)
precise Not vulnerable
(8.12-4)
trusty
Released (1:8.31-2ubuntu2.1)
upstream Needed

utopic Ignored
(reached end-of-life)
vivid
Released (2:8.35-3.3ubuntu1.1)
wily
Released (2:8.35-7.1ubuntu1.3)
Patches:
upstream: http://vcs.pcre.org/pcre?view=revision&revision=1529

Notes

AuthorNote
tyhicks
Valgrind detects a 1-byte invalid read on Vivid through Trusty
mdeslaur
was supposed to be fixed in wily (2:8.35-7ubuntu2) but got
reverted in (2:8.35-7ubuntu5) by mistake

CVE-2015-2325_CVE-2015-2326_CVE-2015-3210_CVE-2015-5073.patch
in jessie

References

Bugs