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VulnerabilityPublished Updated

CVE-2025-71438: Gpac · (An out-of-bounds read in gf_odf_ac4_cfg_dsi_v1 (/odf/descriptors.c) in ...)

Affects gpacSource GCVE Database

0
Authoritative record:CVE-2025-71438· Medium 5.5

Not known to be exploited · CVSS 5.5 Medium.

Data as of 28 Oct 2026, 05:11 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu Pro 24.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/nobleOther threatsAffected
  • 2.2.1+dfsg1-3 – 2.2.1+dfsg1-3.1ubuntu0.1~esm2
5 affected builds
Fixed in–
Ubuntu Pro 22.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/jammyOther threatsAffected
  • 1.0.1+dfsg1-4 – 2.0.0+dfsg1-2ubuntu0.1~esm2
4 affected builds
Fixed in–
Ubuntu Pro 20.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/focalOther threatsAffected
  • =0.5.2-426-gc5ad4e4+dfsg5-4ubuntu1
  • =0.5.2-426-gc5ad4e4+dfsg5-5
  • =0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2
Fixed in–
Ubuntu Pro 18.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/bionicOther threatsAffected
  • =0.5.2-426-gc5ad4e4+dfsg5-3
  • =0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1
  • =0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1
Fixed in–
Ubuntu Pro 16.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/xenialOther threatsAffected
  • =0.5.2-426-gc5ad4e4+dfsg5-1build1
  • =0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1
  • =0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2
Fixed in–
Ubuntu Pro 14.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-infra-legacy/trustyOther threatsAffected
  • 0.5.0+svn4288~dfsg1-1ubuntu1 – 0.5.0+svn4288~dfsg1-4ubuntu1+esm2
5 affected builds
Fixed in–

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

AI-suggested

Until a fix is available, limit local access to gpac and avoid untrusted inputs that could trigger the vulnerability.

Description

CVE-2025-71438 is an out-of-bounds read vulnerability in the gpac software, specifically in the function gf_odf_ac4_cfg_dsi_v1 within the /odf/descriptors.c file. This flaw can cause an application crash or denial of service. The vulnerability has a medium severity rating with a CVSS score of 5.5. It affects multiple specific versions of gpac as listed. There is no information about available patches or fixes in the provided data.

References

Community reviews

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