DEBIAN-CVE-2026-43670

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Source
https://security-tracker.debian.org/tracker/CVE-2026-43670
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43670.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-43670
Upstream
  • CVE-2026-43670
Published
2026-08-25T20:16:55Z
Modified
2026-10-01T03:03:05Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may bypass Content Security Policy.

References

Affected packages

Debian:12
webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:deb/debian/webkit2gtk?arch=source&distro=bookworm

Affected ranges

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

Affected versions

2.*
2.40.1-1
2.40.2-1~deb11u1
2.40.2-1~deb12u1
2.40.2-1
2.40.3-1
2.40.3-2~deb11u1
2.40.3-2~deb11u2
2.40.3-2~deb12u1
2.40.3-2~deb12u2
2.40.3-2
2.40.4-1
2.40.5-1~deb11u1
2.40.5-1~deb12u1
2.40.5-1
2.41.4-1
2.41.5-1
2.41.6-1
2.41.90-1
2.41.91-1
2.41.91-2
2.41.92-1
2.42.0-1~bpo12+1
2.42.0-1
2.42.1-1~bpo12+1
2.42.1-1~deb11u1
2.42.1-1~deb11u2
2.42.1-1~deb12u1
2.42.1-1
2.42.1-2
2.42.2-1~deb11u1
2.42.2-1~deb12u1
2.42.2-1
2.42.3-1~deb11u1
2.42.3-1~deb12u1
2.42.3-1
2.42.4-1~deb11u1
2.42.4-1~deb12u1
2.42.4-1
2.42.5-1~deb11u1
2.42.5-1~deb12u1
2.42.5-1
2.42.5-2
2.43.1-1
2.43.2-1
2.43.3-1
2.43.4-1
2.43.4-2
2.44.0-1
2.44.0-2
2.44.1-1~deb11u1
2.44.1-1~deb12u1
2.44.1-1
2.44.2-1~deb11u1
2.44.2-1~deb12u1
2.44.2-1
2.44.3-1~deb11u1
2.44.3-1~deb12u1
2.44.3-1
2.44.4-1
2.45.1-1
2.45.1-2
2.45.2-1
2.45.3-1
2.45.4-1
2.45.5-1
2.45.6-1
2.45.91-1
2.45.92-1
2.46.0-1
2.46.0-2~deb12u1
2.46.0-2
2.46.1-1
2.46.1-2~bpo12+1
2.46.1-2
2.46.2-1
2.46.3-1~deb11u1
2.46.3-1~deb11u2
2.46.3-1~deb12u1
2.46.3-1
2.46.4-1~deb11u1
2.46.4-1~deb12u1
2.46.4-1
2.46.5-1~deb11u1
2.46.5-1~deb12u1
2.46.5-1
2.46.5-1+hurd.1
2.46.5-1+hurd.2
2.46.6-1~deb11u1
2.46.6-1~deb12u1
2.46.6-1
2.47.1-1
2.47.2-1
2.47.3-1
2.47.4-1
2.47.90-1
2.48.0-1~deb12u1
2.48.0-1
2.48.0-1+alpha
2.48.0-1+hurd.1
2.48.0-1+hurd.2
2.48.1-1
2.48.1-2~deb12u1
2.48.1-2
2.48.1-3
2.48.2-1
2.48.3-1~deb11u1
2.48.3-1~deb12u1
2.48.3-1
2.48.5-1~deb11u1
2.48.5-1~deb12u1
2.48.5-1~deb13u1
2.48.5-1
2.48.6-1
2.49.90-1
2.50.0-1
2.50.0-2
2.50.1-1~deb11u1
2.50.1-1~deb12u1
2.50.1-1~deb13u1
2.50.1-1
2.50.2-1~deb11u1
2.50.2-1~deb12u1
2.50.2-1~deb13u1
2.50.2-1
2.50.3-1~deb11u1
2.50.3-1~deb12u1
2.50.3-1~deb13u1
2.50.3-1
2.50.3-1+hurd.1
2.50.4-1~deb11u1
2.50.4-1~deb12u1
2.50.4-1~deb13u1
2.50.4-1
2.50.5-1
2.50.6-1~deb11u1
2.50.6-1~deb12u1
2.50.6-1~deb12u2
2.50.6-1~deb13u1
2.50.6-1
2.51.1-1
2.51.2-1
2.51.3-1
2.51.4-1
2.51.90-1
2.51.91-1
2.51.92-1
2.51.93-1
2.52.0-1
2.52.1-1
2.52.2-1
2.52.2-2
2.52.3-1
2.52.3-2~deb13u1
2.52.3-2
2.52.4-1
2.52.5-1~deb13u1
2.52.5-1
2.52.6-1~deb13u1
2.52.6-1
2.53.1-1
2.53.2-1
2.53.3-1
2.53.4-1
2.53.90-1
2.53.91-1
2.53.92-1
2.54.0-1~exp1

Ecosystem specific 

{
    "urgency":  "end-of-life"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43670.json"
wpewebkit

Package

Name
wpewebkit
Purl
pkg:deb/debian/wpewebkit?arch=source&distro=bookworm

Affected ranges

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

Affected versions

2.*
2.38.6-1
2.39.91-1
2.40.0-1
2.40.1-1
2.40.2-1
2.40.2-2
2.40.3-1
2.40.4-1
2.40.5-1
2.42.0-1
2.42.1-1
2.42.2-1
2.42.3-1
2.42.4-1
2.42.5-1
2.42.5-1.1~exp1
2.42.5-1.1
2.42.5-1.2
2.42.5-2~exp
2.44.1-1
2.44.2-1
2.44.2-2
2.44.3-1
2.44.4-1
2.46.1-1
2.46.2-1
2.46.3-1
2.46.4-1
2.46.5-1
2.46.6-1
2.48.0-1
2.48.1-1
2.48.1-2
2.48.2-1
2.48.3-1
2.48.5-1
2.48.6-1
2.48.6-2
2.50.0-1
2.50.0-2
2.50.1-1
2.50.2-1
2.50.3-1
2.50.4-1
2.50.5-1
2.50.6-1
2.52.0-1
2.52.1-1
2.52.2-1
2.52.2-2
2.52.3-1
2.52.4-1
2.52.5-1
2.52.6-1
2.54.0-1
2.54.0-2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43670.json"
Debian:13
webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:deb/debian/webkit2gtk?arch=source&distro=trixie

Affected ranges

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

Affected versions

2.*
2.48.3-1
2.48.5-1~deb11u1
2.48.5-1~deb12u1
2.48.5-1~deb13u1
2.48.5-1
2.48.6-1
2.49.90-1
2.50.0-1
2.50.0-2
2.50.1-1~deb11u1
2.50.1-1~deb12u1
2.50.1-1~deb13u1
2.50.1-1
2.50.2-1~deb11u1
2.50.2-1~deb12u1
2.50.2-1~deb13u1
2.50.2-1
2.50.3-1~deb11u1
2.50.3-1~deb12u1
2.50.3-1~deb13u1
2.50.3-1
2.50.3-1+hurd.1
2.50.4-1~deb11u1
2.50.4-1~deb12u1
2.50.4-1~deb13u1
2.50.4-1
2.50.5-1
2.50.6-1~deb11u1
2.50.6-1~deb12u1
2.50.6-1~deb12u2
2.50.6-1~deb13u1
2.50.6-1
2.51.1-1
2.51.2-1
2.51.3-1
2.51.4-1
2.51.90-1
2.51.91-1
2.51.92-1
2.51.93-1
2.52.0-1
2.52.1-1
2.52.2-1
2.52.2-2
2.52.3-1
2.52.3-2~deb13u1
2.52.3-2
2.52.4-1
2.52.5-1~deb13u1
2.52.5-1
2.52.6-1~deb13u1
2.52.6-1
2.53.1-1
2.53.2-1
2.53.3-1
2.53.4-1
2.53.90-1
2.53.91-1
2.53.92-1
2.54.0-1~exp1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43670.json"
wpewebkit

Package

Name
wpewebkit
Purl
pkg:deb/debian/wpewebkit?arch=source&distro=trixie

Affected ranges

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

Affected versions

2.*
2.48.3-1
2.48.5-1
2.48.6-1
2.48.6-2
2.50.0-1
2.50.0-2
2.50.1-1
2.50.2-1
2.50.3-1
2.50.4-1
2.50.5-1
2.50.6-1
2.52.0-1
2.52.1-1
2.52.2-1
2.52.2-2
2.52.3-1
2.52.4-1
2.52.5-1
2.52.6-1
2.54.0-1
2.54.0-2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43670.json"
Debian:14
webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:deb/debian/webkit2gtk?arch=source&distro=forky

Affected ranges

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

Affected versions

2.*
2.48.3-1
2.48.5-1~deb11u1
2.48.5-1~deb12u1
2.48.5-1~deb13u1
2.48.5-1
2.48.6-1
2.49.90-1
2.50.0-1
2.50.0-2
2.50.1-1~deb11u1
2.50.1-1~deb12u1
2.50.1-1~deb13u1
2.50.1-1
2.50.2-1~deb11u1
2.50.2-1~deb12u1
2.50.2-1~deb13u1
2.50.2-1
2.50.3-1~deb11u1
2.50.3-1~deb12u1
2.50.3-1~deb13u1
2.50.3-1
2.50.3-1+hurd.1
2.50.4-1~deb11u1
2.50.4-1~deb12u1
2.50.4-1~deb13u1
2.50.4-1
2.50.5-1
2.50.6-1~deb11u1
2.50.6-1~deb12u1
2.50.6-1~deb12u2
2.50.6-1~deb13u1
2.50.6-1
2.51.1-1
2.51.2-1
2.51.3-1
2.51.4-1
2.51.90-1
2.51.91-1
2.51.92-1
2.51.93-1
2.52.0-1
2.52.1-1
2.52.2-1
2.52.2-2
2.52.3-1
2.52.3-2~deb13u1
2.52.3-2
2.52.4-1
2.52.5-1~deb13u1
2.52.5-1
2.52.6-1~deb13u1
2.52.6-1
2.53.1-1
2.53.2-1
2.53.3-1
2.53.4-1
2.53.90-1
2.53.91-1
2.53.92-1
2.54.0-1~exp1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43670.json"
wpewebkit

Package

Name
wpewebkit
Purl
pkg:deb/debian/wpewebkit?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.54.0-1

Affected versions

2.*
2.48.3-1
2.48.5-1
2.48.6-1
2.48.6-2
2.50.0-1
2.50.0-2
2.50.1-1
2.50.2-1
2.50.3-1
2.50.4-1
2.50.5-1
2.50.6-1
2.52.0-1
2.52.1-1
2.52.2-1
2.52.2-2
2.52.3-1
2.52.4-1
2.52.5-1
2.52.6-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43670.json"