| Name | CVE-2015-8389 |
| Description | PCRE before 8.38 mishandles the /(?:|a|){100}x/ pattern and related patterns, which allows remote attackers to cause a denial of service (infinite recursion) 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) | jessie | 2:8.35-3.3+deb8u4 | fixed |
| stretch | 2:8.39-3 | fixed |
| buster | 2:8.39-12 | fixed |
| 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 not present)
[squeeze] - pcre3 <not-affected> (Vulnerable code not present)
Fixed in 8.38
Fixed by: http://vcs.pcre.org/pcre?view=revision&revision=1577
First bad commit: http://vcs.pcre.org/pcre?view=revision&revision=1440
Only after r1577 looks like there is another new issue (stack-buffer-underflow, READ of size 4 when running PoC)