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CVE-2025-49014

jq: jq Heap Use-After-Free Vulnerability

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · June 20, 2025

Updated · August 31, 2026

Description

A flaw was found in jq. The f_strflocaltime function in builtin.c contains a heap use-after-free vulnerability, which can allow a local attacker to trigger a crash by providing a specially crafted input. This condition arises from the use of freed memory, leading to unpredictable program behavior. The vulnerability can directly result in an application level denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-416 · Use After Free