| Name | CVE-2017-8786 |
| Description | pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 861873 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pcre2 (PTS) | stretch (lts), stretch | 10.22-3+deb9u1 | vulnerable |
| buster (security), buster, buster (lts) | 10.32-5+deb10u1 | fixed |
| bullseye | 10.36-2+deb11u1 | fixed |
| bookworm | 10.42-1 | fixed |
| sid, trixie | 10.44-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pcre2 | source | (unstable) | 10.31-1 | unimportant | | 861873 |
Notes
https://bugs.exim.org/show_bug.cgi?id=2079
https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/
https://vcs.pcre.org/pcre2/code/trunk/src/pcre2test.c?r1=692&r2=697