| Name | CVE-2009-5155 |
| Description | In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match. |
| 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 | 924613 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| glibc (PTS) | jessie, jessie (lts) | 2.19-18+deb8u14 | vulnerable |
| stretch (security) | 2.24-11+deb9u1 | vulnerable |
| stretch (lts), stretch | 2.24-11+deb9u7 | vulnerable |
| buster (security), buster, buster (lts) | 2.28-10+deb10u4 | fixed |
| bullseye | 2.31-13+deb11u11 | fixed |
| bullseye (security) | 2.31-13+deb11u10 | fixed |
| bookworm | 2.36-9+deb12u9 | fixed |
| bookworm (security) | 2.36-9+deb12u7 | fixed |
| sid, trixie | 2.40-4 | fixed |
| gnulib (PTS) | jessie, jessie (lts) | 20140202+stable-2+deb8u1 | vulnerable |
| stretch | 20140202+stable-2+deb9u1 | vulnerable |
| buster | 20140202+stable-4 | fixed |
| bullseye | 20210102~ebaa53c-1 | fixed |
| bookworm | 20230209+stable-1 | fixed |
| sid, trixie | 20240701-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| eglibc | source | (unstable) | (unfixed) | | | |
| glibc | source | (unstable) | 2.28-1 | | | |
| gnulib | source | experimental | 20180621~6979c25-1 | | | |
| gnulib | source | (unstable) | 20140202+stable-3.2 | | | 924613 |
Notes
[stretch] - gnulib <no-dsa> (Minor issue)
[jessie] - gnulib <no-dsa> (Minor issue)
http://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=5513b40999149090987a0341c018d05d3eea1272
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=22793
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=32806
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34238
https://sourceware.org/bugzilla/show_bug.cgi?id=11053
https://sourceware.org/bugzilla/show_bug.cgi?id=18986
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eb04c21373e2a2885f3d52ff192b0499afe3c672
[wheezy] - eglibc <no-dsa> (Minor issue)
[stretch] - glibc <ignored> (invasive fix with risk for regressions, exploitation requires attacker-provided regular expressions)
[jessie] - glibc <ignored> (invasive fix with risk for regressions, exploitation requires attacker-provided regular expressions)