SUSE-SU-2026:2623-1

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Source
https://www.suse.com/support/update/announcement/2026/suse-su-20262623-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:2623-1.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2026:2623-1
Upstream
CVE (16)
  • CVE-2026-28847
  • CVE-2026-28883
  • CVE-2026-28901
  • CVE-2026-28902
  • CVE-2026-28903
  • CVE-2026-28904
  • CVE-2026-28905
  • CVE-2026-28907
  • CVE-2026-28942
  • CVE-2026-28946
  • CVE-2026-28947
  • CVE-2026-28953
  • CVE-2026-28955
  • CVE-2026-28958
  • CVE-2026-43658
  • CVE-2026-43660
Related
CVE (16)
  • CVE-2026-28847
  • CVE-2026-28883
  • CVE-2026-28901
  • CVE-2026-28902
  • CVE-2026-28903
  • CVE-2026-28904
  • CVE-2026-28905
  • CVE-2026-28907
  • CVE-2026-28942
  • CVE-2026-28946
  • CVE-2026-28947
  • CVE-2026-28953
  • CVE-2026-28955
  • CVE-2026-28958
  • CVE-2026-43658
  • CVE-2026-43660
Published
2026-06-24T12:45:43Z
Modified
2026-06-25T06:15:06Z
Summary
Security update for webkit2gtk3
Details

This update for webkit2gtk3 fixes the following issues

Update to version 2.52.4:

  • CVE-2026-28847: processing maliciously crafted web content may lead to an unexpected process crash or arbitrary code execution due to a heap buffer overflow (bsc#1267506).
  • CVE-2026-28883: processing maliciously crafted web content may lead to an unexpected process crash due to a use-after- free issue (bsc#1267507).
  • CVE-2026-28901: processing maliciously crafted web content may lead to an unexpected process crash due to improper memory handling (bsc#1267508).
  • CVE-2026-28902: processing maliciously crafted web content may lead to an unexpected process crash due to improper memory handling (bsc#1267509).
  • CVE-2026-28903: processing maliciously crafted web content may lead to an unexpected process crash due to improper memory handling (bsc#1267510).
  • CVE-2026-28904: processing maliciously crafted web content may lead to an unexpected process crash due to improper memory handling (bsc#1267511).
  • CVE-2026-28905: processing maliciously crafted web content may lead to an unexpected process crash due to improper memory handling (bsc#1267512).
  • CVE-2026-28907: processing maliciously crafted web content may prevent Content Security Policy from being enforced due to improper input validation (bsc#1267513).
  • CVE-2026-28942: processing maliciously crafted web content may lead to an unexpected crash due to use-after-free (bsc#1267514).
  • CVE-2026-28946: processing maliciously crafted web content may lead to an unexpected crash due to a use-after-free (bsc#1267515).
  • CVE-2026-28947: rocessing maliciously crafted web content may lead to an unexpected crash due to a use-after-free (bsc#1267516).
  • CVE-2026-28953: processing maliciously crafted web content may lead to an unexpected process crash due to improper memory handling (bsc#1267517).
  • CVE-2026-28955: processing maliciously crafted web content may lead to an unexpected process crash due to improper memory handling (bsc#1267518).
  • CVE-2026-28958: an app may be able to access sensitive user data due to improper data protection (bsc#1267519).
  • CVE-2026-43658: processing maliciously crafted web content may lead to an unexpected crash due to improper memory handling (bsc#1267520).
  • CVE-2026-43660: processing maliciously crafted web content may prevent Content Security Policy from being enforced due to issues with logic (bsc#1267521).

Changes:

  • Add support for half-width fonts.
  • Improve content filter compilation by avoiding file copies.
  • Improve handling of out of disk space conditions when the NetworkProcess tried to write data in caches.
  • Improve how the CMake build system checks whether libatomic is required.
  • Fix painting scrollbars when their width changes.
  • Fix playback of certain YouTube videos with low frame rates.
  • Fix webkit://gpu not working in systems where neither libGL.so.1 nor libOpenGL.so.0 are available.
  • Fix the build with librice 0.4 or newer when the GStreamer WebRTC backend is enabled at build configuration time.
  • Fix the build with USE_GSTREAMER_WEBRTC=OFF.
  • Fix the build with USE_GBM=OFF.
  • Fix several crashes and rendering issues.
  • Security fixes: CVE-2026-28847, CVE-2026-28883, CVE-2026-28901, CVE-2026-28902, CVE-2026-28903,, CVE-2026-28904, CVE-2026-28905, CVE-2026-28907, CVE-2026-28942, CVE-2026-28946, CVE-2026-28947, CVE-2026-28953, CVE-2026-28955, CVE-2026-28958, CVE-2026-43658, CVe-2026-43660.
  • Add support for the 'scrollbar-color' CSS property.
  • Fix some emoji glyphs being rendered as missing glyph boxes.
  • Fix JavaScriptCore crashes on architectures other than x86_64.
  • Fix the build on s390x.
  • Improve handling of real-time threads.
  • Fix scrollbar rendering glitches visible in some GPU configurations.
  • Fix V4L2 hardware accelerated media codecs now working due to overly restrictive sandbox device access rules.
  • Fix leak of bitmap images in webkit_favicon_database_get_favicon_finish().
  • Fix the build with USE_GTK4=OFF.
References

Affected packages

SUSE:Linux Enterprise Server 12 SP5-LTSS / webkit2gtk3

Package

Name
webkit2gtk3
Purl
pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.52.4-4.60.2

Ecosystem specific 

{
    "binaries":  [
        {
            "libjavascriptcoregtk-4_0-18":  "2.52.4-4.60.2",
            "libwebkit2gtk-4_0-37":  "2.52.4-4.60.2",
            "libwebkit2gtk3-lang":  "2.52.4-4.60.2",
            "typelib-1_0-JavaScriptCore-4_0":  "2.52.4-4.60.2",
            "typelib-1_0-WebKit2-4_0":  "2.52.4-4.60.2",
            "typelib-1_0-WebKit2WebExtension-4_0":  "2.52.4-4.60.2",
            "webkit2gtk-4_0-injected-bundles":  "2.52.4-4.60.2",
            "webkit2gtk3-devel":  "2.52.4-4.60.2"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:2623-1.json"

SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 / webkit2gtk3

Package

Name
webkit2gtk3
Purl
pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.52.4-4.60.2

Ecosystem specific 

{
    "binaries":  [
        {
            "libjavascriptcoregtk-4_0-18":  "2.52.4-4.60.2",
            "libwebkit2gtk-4_0-37":  "2.52.4-4.60.2",
            "libwebkit2gtk3-lang":  "2.52.4-4.60.2",
            "typelib-1_0-JavaScriptCore-4_0":  "2.52.4-4.60.2",
            "typelib-1_0-WebKit2-4_0":  "2.52.4-4.60.2",
            "typelib-1_0-WebKit2WebExtension-4_0":  "2.52.4-4.60.2",
            "webkit2gtk-4_0-injected-bundles":  "2.52.4-4.60.2",
            "webkit2gtk3-devel":  "2.52.4-4.60.2"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:2623-1.json"