DEBIAN-CVE-2026-64787

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Source
https://security-tracker.debian.org/tracker/CVE-2026-64787
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-64787.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-64787
Upstream
  • CVE-2026-64787
Published
2026-08-17T22:17:23Z
Modified
2026-09-15T08:47:46Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to an unexpected process termination.

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

Ecosystem specific 

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

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-64787.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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-64787.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
Fixed
2.52.5-1~deb13u1

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-64787.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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-64787.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
Fixed
2.52.5-1

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-64787.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
2.52.5-1

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-64787.json"