Stack-based buffer overflow in jq - CVE-2024-53427
Published: March 20, 2025 / Updated: June 25, 2025
Vulnerability identifier: #VU105901
CSH Severity: Medium
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-53427
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the decNumberCopy() function in decNumber.c. A remote attacker can pass specially crafted input to the application, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability exists due to incomplete fix for #VU106250 (CVE-2023-50268).
Affected software
jq
Debian Linux
Ubuntu
Anolis OS
jq (Ubuntu package)
jq
jq-devel
jq-doc
jq (Debian package)
Debian Linux
Ubuntu
Anolis OS
jq (Ubuntu package)
jq
jq-devel
jq-doc
jq (Debian package)
How to mitigate CVE-2024-53427
Install updates from vendor's website.
jq - update to 1.8.0
jq (Ubuntu package) - addressed in versions 1.6-2.1ubuntu3.1, 1.7.1-3ubuntu0.24.04.1, 1.7.1-3ubuntu1.1
jq - addressed in versions 1.6-17, 1.8.1-1
jq-devel - addressed in versions 1.6-17, 1.8.1-1
jq-doc - addressed in versions 1.6-17, 1.8.1-1
jq (Debian package) - update to 1.7.1-6+deb13u3
jq (Ubuntu package) - addressed in versions 1.6-2.1ubuntu3.1, 1.7.1-3ubuntu0.24.04.1, 1.7.1-3ubuntu1.1
jq - addressed in versions 1.6-17, 1.8.1-1
jq-devel - addressed in versions 1.6-17, 1.8.1-1
jq-doc - addressed in versions 1.6-17, 1.8.1-1
jq (Debian package) - update to 1.7.1-6+deb13u3