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CVE-2026-43896VulnerabilityPublished Updated

SUSE jq · Security update for jq

Affects SUSE jqSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-43896· Medium 6.2

Not known to be exploited · CVSS 6.2 Medium.

Data as of 31 Oct 2026, 20:20 UTC

CVSS 3.1 base score
6.2Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 31 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10jqpkg:deb/ubuntu/jq?arch=source&distro=stonkingOther threatsAffected
  • =1.8.1-4ubuntu1
  • =1.8.2-1ubuntu1
Fixed in–
Ubuntu 26.04 LTSjqpkg:deb/ubuntu/jq?arch=source&distro=resoluteOther threatsAffected
  • =1.8.1-3ubuntu1
  • =1.8.1-4ubuntu1
  • =1.8.1-4ubuntu2
Fixed in–
Ubuntu 25.10jqpkg:deb/ubuntu/jq?arch=source&distro=questingOther threatsAffected
  • 1.7.1-3ubuntu1 – 1.8.1-3ubuntu1.1
4 affected builds
Fixed in–
Ubuntu 24.04 LTSjqpkg:deb/ubuntu/jq?arch=source&distro=nobleOther threatsAffected
  • 1.6-3 – 1.7.1-3ubuntu0.24.04.2
7 affected builds
Fixed in–
Ubuntu 22.04 LTSjqpkg:deb/ubuntu/jq?arch=source&distro=jammyOther threatsAffected
  • 1.6-2.1ubuntu2 – 1.6-2.1ubuntu3.2
4 affected builds
Fixed in–
Ubuntu Pro 20.04 LTSjqpkg:deb/ubuntu/jq?arch=source&distro=esm-infra/focalOther threatsAffected
  • 1.5+dfsg-2build1 – 1.6-1ubuntu0.20.04.1+esm3
6 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

This update for jq fixes the following issues - CVE-2026-43896: unbounded recursion in jv_object_merge_recursive() can lead to C stack exhaustion and a process crash (bsc#1265075). - CVE-2026-44777: uncontrolled recursion in ordinary module loader when two valid modules `include` each other can lead to stack exhaustion and process crash (bsc#1265076). - CVE-2026-49839: fixed a bug where jq --rawfile can turn a handled oversized-string error into invalid-state reuse and a real heap out-of-bounds write in assertion-disabled builds (bsc#1269220). - CVE-2026-54679: integer overflow in jvp_string_append can lead to a buffer overrun on 32-bit systems (bsc#1269390).

References

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