CVE-2015-2326

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))/".
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 59%
VendorProductVersion
pcrepcre
𝑥
< 8.37
opensuseopensuse
13.1
opensuseopensuse
13.2
mariadbmariadb
10.0.0 ≤
𝑥
< 10.0.18
phpphp
5.4.0 ≤
𝑥
< 5.4.41
phpphp
5.5.0 ≤
𝑥
< 5.5.26
phpphp
5.6.0 ≤
𝑥
< 5.6.9
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
pcre3
bullseye
2:8.39-13
fixed
wheezy
not-affected
squeeze
not-affected
bookworm
2:8.39-15
fixed
sid
2:8.39-15.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
pcre3
wily
Fixed 2:8.35-7.1ubuntu1.3
released
vivid
Fixed 2:8.35-3.3ubuntu1.1
released
utopic
ignored
trusty
Fixed 1:8.31-2ubuntu2.1
released
precise
not-affected
lucid
ignored
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html
https://bugs.exim.org/show_bug.cgi?id=1592
https://fortiguard.com/zeroday/FG-VD-15-016
https://www.pcre.org/original/changelog.txt
http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html
https://bugs.exim.org/show_bug.cgi?id=1592
https://fortiguard.com/zeroday/FG-VD-15-016
https://www.pcre.org/original/changelog.txt