| Name | CVE-2023-4156 |
| Description | A heap out-of-bounds read flaw was found in builtin.c in the gawk package. This issue may lead to a crash and could be used to read sensitive information. |
| 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 |
|---|
| gawk (PTS) | buster | 1:4.2.1+dfsg-1 | vulnerable |
| bullseye | 1:5.1.0-1 | vulnerable |
| sid, trixie, bookworm | 1:5.2.1-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| gawk | source | (unstable) | 1:5.2.1-1 | | | |
Notes
[bullseye] - gawk <no-dsa> (Minor issue)
[buster] - gawk <postponed> (Minor issue, OOB read)
https://mail.gnu.org/archive/html/bug-gawk/2022-08/msg00000.html
https://mail.gnu.org/archive/html/bug-gawk/2022-08/msg00023.html
https://git.savannah.gnu.org/gitweb/?p=gawk.git;a=commitdiff;h=e709eb829448ce040087a3fc5481db6bfcaae212 (gawk-5.2.0)