CVE-2025-71438: Gpac · (An out-of-bounds read in gf_odf_ac4_cfg_dsi_v1 (/odf/descriptors.c) in ...)
Affects gpacSource GCVE Database
Not known to be exploited · CVSS 5.5 Medium.
Data as of 28 Oct 2026, 05:11 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 21 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu Pro 24.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/nobleOther threats | Affected
| Fixed in– |
Ubuntu Pro 22.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/jammyOther threats | Affected
| Fixed in– |
Ubuntu Pro 20.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/focalOther threats | Affected
| Fixed in– |
Ubuntu Pro 18.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/bionicOther threats | Affected
| Fixed in– |
Ubuntu Pro 16.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/xenialOther threats | Affected
| Fixed in– |
Ubuntu Pro 14.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-infra-legacy/trustyOther threats | Affected
| 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.