| Name | CVE-2015-2327 |
| Description | PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | high (attack range: remote) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| mongodb (PTS) | jessie | 1:2.4.10-5+deb8u1 | vulnerable |
| stretch | 1:3.2.11-2+deb9u1 | vulnerable | |
| buster, sid | 1:3.4.15-1 | vulnerable | |
| pcre3 (PTS) | jessie | 2:8.35-3.3+deb8u4 | fixed |
| stretch | 2:8.39-3 | fixed | |
| buster | 2:8.39-9 | fixed | |
| sid | 2:8.39-10 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| mongodb | source | (unstable) | (unfixed) | unimportant | ||
| pcre3 | source | (unstable) | 2:8.35-7.2 | low | ||
| pcre3 | source | jessie | 2:8.35-3.3+deb8u1 | high |
CVE for bundled version of pcre3 in mongodb
https://jira.mongodb.org/browse/SERVER-17252
Since 1:2.0.0-1 mongodb uses the system pcre3
[wheezy] - pcre3 <no-dsa> (Minor issue)
[squeeze] - pcre3 <no-dsa> (Minor issue)
https://bugs.exim.org/show_bug.cgi?id=1503
Fixed by: http://vcs.pcre.org/pcre?view=revision&revision=1495
http://www.openwall.com/lists/oss-security/2015/05/31/5