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.
References (2)
Core 2
Core References
Exploit, Issue Tracking, Release Notes, Third Party Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-4156
Exploit, Issue Tracking, Release Notes, Third Party Advisory issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2215930
Scores
CVSS v3
4.4
EPSS
0.0003
EPSS Percentile
8.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-125
Status
published
Products (4)
fedoraproject/fedora
38
gnu/gawk
< 5.1.1
redhat/enterprise_linux
6.0
redhat/enterprise_linux
7.0
Published
Sep 25, 2023
Tracked Since
Feb 18, 2026