๐Ÿ›ก๏ธ CVE-2026-41257
๐ŸŸก CVSS 5.5 โ€” Medium โš ๏ธ Exploit Public CWE-190 NVD
5.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

jq is a command-line JSON processor. In 1.8.1 and earlier, the jq bytecode VM's data stack tracks its allocation size in a signed int. When the stack grows beyond โ‰ˆ1 GiB (via deeply nested generator forks), the doubling arithmetic overflows. The wrapped value is passed to realloc and then used for a memmove with attacker-influenced offsets.

Details

Severity MEDIUM
CVSS Score 5.5
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE CWE-190
Public Exploit โš ๏ธ Yes
Source NVD
Published 2026-05-11
Updated 2026-06-02
Modified 2026-05-13
Fix URL N/A

Affected Packages

Software From version Fixed in
jq โ€” 1.8.1
unknown โ€” โ€”

Similar Threats

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