DEBIAN-CVE-2026-34085

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Source
https://security-tracker.debian.org/tracker/CVE-2026-34085
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34085.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-34085
Upstream
Withdrawn
2026-03-28T01:02:56Z
Published
2026-03-25T17:17:09Z
Modified
2026-03-28T01:02:56Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Summary
[none]
Details

fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a crash or code execution. This is in FcFontCapabilities in fcfreetype.c.

References

Affected packages

Debian:12 / fontconfig

Package

Name
fontconfig
Purl
pkg:deb/debian/fontconfig?arch=source

Affected ranges

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

Affected versions

2.*
2.14.1-4
2.14.2-1
2.14.2-2
2.14.2-3
2.14.2-4
2.14.2-5
2.14.2-6
2.15.0-1
2.15.0-1.1
2.15.0-2
2.15.0-2.1
2.15.0-2.2
2.15.0-2.3
2.15.0-2.4
2.17.1-1
2.17.1-2
2.17.1-3
2.17.1-4
2.17.1-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34085.json"

Debian:13 / fontconfig

Package

Name
fontconfig
Purl
pkg:deb/debian/fontconfig?arch=source

Affected ranges

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

Affected versions

2.*
2.15.0-2.3
2.15.0-2.4
2.17.1-1
2.17.1-2
2.17.1-3
2.17.1-4
2.17.1-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34085.json"

Debian:14 / fontconfig

Package

Name
fontconfig
Purl
pkg:deb/debian/fontconfig?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.17.1-3

Affected versions

2.*
2.15.0-2.3
2.15.0-2.4
2.17.1-1
2.17.1-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34085.json"