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Unscored USN-8202-2 0 CVEs

jq vulnerabilities

Published Apr 28, 2026 · Updated Jun 30, 2026

Summary

USN-8202-1 fixed vulnerabilities in jq. This update provides the
corresponding update to Ubuntu 26.04 LTS.

Original advisory details:

It was discovered that jq did not correctly handle certain string
concatenations. An attacker could possibly use this issue to cause a
denial of service or execute arbitrary code. (CVE-2026-32316)

It was discovered that jq did not correctly handle recursion in certain
circumstances. An attacker could possibly use this issue to cause a denial
of service. (CVE-2026-33947)

It was discovered that jq did not correctly handle improperly terminated
strings. An attacker could possibly use this issue to cause a denial of
service or execute arbitrary code. (CVE-2026-33948)

It was discovered that jq did not correctly handle checking certain
variable types. An attacker could possibly use this issue to cause a
denial of service or leak sensitive information. (CVE-2026-39956)

It was discovered that jq did not correctly handle certain string
formatting. An attacker could possibly use this issue to leak sensitive
information or cause a denial of service. (CVE-2026-39979)

It was discovered that jq used a fixed seed for hash table operations. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2026-40164)

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 26.04 LTS 26.04:LTS jq 1.8.1-4ubuntu2

References

  • report
    https://ubuntu.com/security/CVE-2026-32316
  • report
    https://ubuntu.com/security/CVE-2026-33947
  • report
    https://ubuntu.com/security/CVE-2026-33948
  • report
    https://ubuntu.com/security/CVE-2026-39956
  • report
    https://ubuntu.com/security/CVE-2026-39979
  • report
    https://ubuntu.com/security/CVE-2026-40164