Alerts This Week
Warning Icon 1 1,111
Alerts This Week
Warning Icon 1 1,111

Debian 11 jq Important Heap Corruption DoS Vulnerabilities DLA-4661-1

debian lts
Calendar Grey July 1, 2026
Dist Debian Esm H88
Multiple security flaws in jq command-line JSON parser lead to application crashes and heap corruption risks. Upgrade recommended.
It was found that jq, a lightweight and flexible command-line JSON parser, was vulnerable to multiple memory corruption attacks, which could lead to application crashes, denial-of-...
Topics%20covered

Topics Covered

security advisory denial of service heap corruption important application crash deblts

Summary

For Debian 11 bullseye, these problems have been fixed in version
1.6-2.1+deb11u3.

We recommend that you upgrade your jq packages.

For the detailed security status of jq please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/jq

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS



Severity
important
Lowest
Low
Medium
High
Critical

Package: jq
Version: 1.6-2.1+deb11u3
CVE ID: CVE-2026-43894 CVE-2026-47770 CVE-2026-49839 CVE-2026-54679
Debian Bug: 1136445

Topics%20covered

Topics Covered

security advisory denial of service heap corruption important application crash deblts

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here