DEBIAN-CVE-2025-11679

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Source
https://security-tracker.debian.org/tracker/CVE-2025-11679
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-11679.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2025-11679
Upstream
  • CVE-2025-11679
Withdrawn
2025-11-04T14:19:38Z
Published
2025-10-20T14:15:40Z
Modified
2025-11-04T14:19:38Z
Severity
  • 5.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

Out-of-bounds Read in lws_upng_emit_next_line in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to read past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a crafted PNG file with a big height dimension.

References

Affected packages

Debian:12 / libwebsockets

Package

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

Affected ranges

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

Affected versions

4.*
4.1.6-3
4.1.6-3.1
4.3.2-1
4.3.2-2
4.3.2-3
4.3.2-4
4.3.3-1
4.3.3-1.1~exp1
4.3.3-1.1
4.3.5-1
4.3.5-2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-11679.json"

Debian:13 / libwebsockets

Package

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

Affected ranges

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

Affected versions

4.*
4.3.5-1
4.3.5-2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-11679.json"

Debian:14 / libwebsockets

Package

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

Affected ranges

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

Affected versions

4.*
4.3.5-1
4.3.5-2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-11679.json"