Uncontrolled Memory Allocation in devalue - #VU151497
Published: September 21, 2026
Vulnerability identifier: #VU151497
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-789
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to memory allocation with excessive size value in uneval-generated sparse-array code when evaluating generated code for sparse arrays. A remote attacker can trigger evaluation of generated sparse-array code to cause a denial of service.
Default parse sparse-array construction is not affected.
Affected software
devalue
Remediation
Install security update from vendor's website.
devalue - update to 5.9.3