Use After Free in Jqlang Jq

CVE-2025-49014

jq is a command-line JSON processor. In version 1.8.0 a heap use after free vulnerability exists within the function f_strflocaltime of /src/builtin.c. This issue has been patched in commit 499c91b, no known fix version exists at time of publication.

Vulnerability class: Use-After-Free

Published · last modified .

EPSS exploit prediction

EPSS: 0.004 (28.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-49014: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-49014?
CVE-2025-49014 is a vulnerability in Jqlang Jq, classified under Use After Free. Published 2025-06-19.
Is CVE-2025-49014 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.