| Name | CVE-2015-8386 |
| Description | PCRE before 8.38 mishandles the interaction of lookbehind assertions and mutually recursive subpatterns, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pcre3 (PTS) | bullseye | 2:8.39-13 | fixed |
| bookworm | 2:8.39-15 | fixed |
| sid | 2:8.39-15.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pcre3 | source | squeeze | (not affected) | | | |
| pcre3 | source | wheezy | (not affected) | | | |
| pcre3 | source | jessie | 2:8.35-3.3+deb8u2 | | | |
| pcre3 | source | (unstable) | 2:8.38-1 | | | |
Notes
[wheezy] - pcre3 <not-affected> (Vulnerable code introduced later)
[squeeze] - pcre3 <not-affected> (Vulnerable code introduced later)
Fixed in 8.38
Fixed by: http://vcs.pcre.org/pcre?view=revision&revision=1560
Reproducer fails starting from at least http://vcs.pcre.org/pcre?view=revision&revision=1379
but the patched code is as well already present in wheezy at least.