Threats Tagged 'cve-2026-47770'

This security update for jq addresses two vulnerabilities: CVE-2026-43895, where embedded NUL bytes in import paths can cause policy bypass and disclosure of sensitive information, and CVE-2026-47770, a stack overflow in deep structural equality checks. The update fixes these issues in the affected version 1.7.1-160000.5.1.aarch64. No CVSS score is provided, but the impact is assessed as medium severity.

jq is a command-line JSON processor. Prior to 1.8.2, comparing two sufficiently deeply nested arrays with the == operator exhausts the C stack on jq's ordinary command-line surface, resulting in denial of service via stack exhaustion (uncontrolled recursion). The crash occurs in jq's recursive structural comparison code, with the recursion repeating through jvp_array_equal() and jv_equal() in src/jv.c when comparing deeply nested arrays; a nearby sort comparator path through jv_cmp() in src/jv_aux.c overflows the stack at a larger nesting depth from the same missing recursion guard. Anyone running jq comparisons on attacker-controlled deeply nested JSON values, or embedding jq in a context where untrusted data can reach the == comparison path, is affected. This vulnerability is fixed in 1.8.2.

This update includes the following RPMs: jq: * jq-1.8.2-0.1.hum1 (aarch64, x86_64) * jq-devel-1.8.2-0.1.hum1 (aarch64, x86_64) * jq-1.8.2-0.1.hum1.src (src)