CVE-2023-50246 — jq is a command-line JSON processor

jq is a command-line JSON processor. Version 1.7 is vulnerable to heap-based buffer overflow. Version 1.7.1 contains a patch for this issue.

01What is this vulnerability?

jq is a command-line JSON processor. Version 1.7 is vulnerable to heap-based buffer overflow. Version 1.7.1 contains a patch for this issue.

02Affected products

Vendor	Product	Versions
jqlang	jq	= 1.7

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-13T20:43:50.862Z
• Last modified: 2025-02-13T17:19:01.170Z

09References

• github.com — https://github.com/jqlang/jq/security/advisories/GHSA-686w-5m7m-54vc
• github.com — https://github.com/jqlang/jq/commit/71c2ab509a8628dbbad4bc7b3f98a64aa90d3297
• bugs.chromium.org — https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64574
• www.openwall.com — http://www.openwall.com/lists/oss-security/2023/12/15/10