UBUNTU-CVE-2026-108538

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Source
https://ubuntu.com/security/CVE-2026-108538
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108538.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-108538
Upstream
  • CVE-2026-108538
Published
2026-10-11T05:16:00Z
Modified
2026-10-17T10:01:22Z
Severity
  • 6.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 2.1 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A security vulnerability has been detected in GPAC up to 26.07.0. The impacted element is the function gf_mx_v of the file utils/os_thread.c of the component MP4Box. Such manipulation leads to use after free. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References

Affected packages

Ubuntu:Pro:14.04:LTS
gpac

Package

Name
gpac
Purl
pkg:deb/ubuntu/gpac?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.5.0+svn4288~dfsg1-1ubuntu1
0.5.0+svn4288~dfsg1-4
0.5.0+svn4288~dfsg1-4ubuntu1
0.5.0+svn4288~dfsg1-4ubuntu1+esm1
0.5.0+svn4288~dfsg1-4ubuntu1+esm2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gpac",
            "binary_version":  "0.5.0+svn4288~dfsg1-4ubuntu1+esm2"
        },
        {
            "binary_name":  "gpac-modules-base",
            "binary_version":  "0.5.0+svn4288~dfsg1-4ubuntu1+esm2"
        },
        {
            "binary_name":  "libgpac2",
            "binary_version":  "0.5.0+svn4288~dfsg1-4ubuntu1+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108538.json"
Ubuntu:Pro:16.04:LTS
gpac

Package

Name
gpac
Purl
pkg:deb/ubuntu/gpac?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.5.2-426-gc5ad4e4+dfsg5-1build1
0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1
0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gpac",
            "binary_version":  "0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2"
        },
        {
            "binary_name":  "gpac-modules-base",
            "binary_version":  "0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2"
        },
        {
            "binary_name":  "libgpac4",
            "binary_version":  "0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108538.json"
Ubuntu:Pro:18.04:LTS
gpac

Package

Name
gpac
Purl
pkg:deb/ubuntu/gpac?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.5.2-426-gc5ad4e4+dfsg5-3
0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1
0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gpac",
            "binary_version":  "0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1"
        },
        {
            "binary_name":  "gpac-modules-base",
            "binary_version":  "0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1"
        },
        {
            "binary_name":  "libgpac4",
            "binary_version":  "0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108538.json"
Ubuntu:Pro:20.04:LTS
gpac

Package

Name
gpac
Purl
pkg:deb/ubuntu/gpac?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.5.2-426-gc5ad4e4+dfsg5-4ubuntu1
0.5.2-426-gc5ad4e4+dfsg5-5
0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gpac",
            "binary_version":  "0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2"
        },
        {
            "binary_name":  "gpac-modules-base",
            "binary_version":  "0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2"
        },
        {
            "binary_name":  "libgpac4",
            "binary_version":  "0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108538.json"
Ubuntu:Pro:22.04:LTS
gpac

Package

Name
gpac
Purl
pkg:deb/ubuntu/gpac?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.0.1+dfsg1-4
1.0.1+dfsg1-5
2.*
2.0.0+dfsg1-2
2.0.0+dfsg1-2ubuntu0.1~esm2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gpac",
            "binary_version":  "2.0.0+dfsg1-2ubuntu0.1~esm2"
        },
        {
            "binary_name":  "gpac-modules-base",
            "binary_version":  "2.0.0+dfsg1-2ubuntu0.1~esm2"
        },
        {
            "binary_name":  "libgpac11",
            "binary_version":  "2.0.0+dfsg1-2ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108538.json"
Ubuntu:Pro:24.04:LTS
gpac

Package

Name
gpac
Purl
pkg:deb/ubuntu/gpac?arch=source&distro=esm-apps%2Fnoble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.2.1+dfsg1-3
2.2.1+dfsg1-3.1
2.2.1+dfsg1-3.1build1
2.2.1+dfsg1-3.1build2
2.2.1+dfsg1-3.1ubuntu0.1~esm2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gpac",
            "binary_version":  "2.2.1+dfsg1-3.1ubuntu0.1~esm2"
        },
        {
            "binary_name":  "gpac-modules-base",
            "binary_version":  "2.2.1+dfsg1-3.1ubuntu0.1~esm2"
        },
        {
            "binary_name":  "libgpac12t64",
            "binary_version":  "2.2.1+dfsg1-3.1ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108538.json"