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CVE-2023-42364
Component Overview
Vulnerability Overview
Name
CVE-2023-42364
Source
NVD (
link
)
Debian (
link
)
Description
A use-after-free vulnerability in BusyBox v.1.36.1 allows attackers to cause a denial of service via a crafted awk pattern in the awk.c evaluate function.
CWEs
CWE-416
CWE-416
Published Date
Nov 27, 2023
Updated Date
Jun 17, 2026
Workaround
-
Advisories
https://bugs.busybox.net/show_bug.cgi?id=15868
Exploit
https://bugs.busybox.net/show_bug.cgi?id=15868
Exploit
Analysis
#
Affected Component
Analysis
busybox
Patched
Vulnerability Ratings
#
5.5
CVSSv31
5.5
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
busybox
buildroot
2025.02.x
1.37.0
Not Affected
busybox
buildroot
master
1.38.0
Not Affected
busybox
openwrt
master
1.38.0-r2
Not Affected
busybox
openwrt
openwrt-25.12
1.37.0-r6
Not Affected
busybox
yocto
kirkstone
1.35.0
Patched
busybox
yocto
master
1.38.0
Not Affected
Resolved with patches
#
busybox (yocto:kirkstone)
#
Title
Author
Resolve
1
awk: fix precedence of = relative to ==
Denys Vlasenko <vda.linux@googlemail.com>
CVE-2023-42364
CVE-2023-42365
2
awk: fix ternary operator and precedence of =
Natanael Copa <ncopa@alpinelinux.org>
CVE-2023-42364
CVE-2023-42365
busybox (yocto:scarthgap)
#
Title
Author
Resolve
1
awk: fix precedence of = relative to ==
Denys Vlasenko <vda.linux@googlemail.com>
CVE-2023-42364
CVE-2023-42365
2
awk: fix ternary operator and precedence of =
Natanael Copa <ncopa@alpinelinux.org>
CVE-2023-42364
CVE-2023-42365