CVE-2023-43000

webkit2gtk3: This update for webkit2gtk3 fixes the following issues: Update to version 2.50.4. Security issues fixed: - CVE-202...

CVE-2023-43000 is fixed in 22 products on 1 platform, first by RHSA-2024:2126, released April 30, 2024. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on March 5, 2026. Patch Radar priority: Patch now.

Patch nowCISA KEV
CVSS
8.8
high
Exploitation
Exploited
Listed by CISA
CISA KEV
Mar 5, 2026
Federal due date Mar 26, 2026
EPSS
0.0404
90th percentile

This update for webkit2gtk3 fixes the following issues: Update to version 2.50.4. Security issues fixed: - CVE-2025-13502: processing of maliciously crafted payloads by the GLib remote inspector server may lead to a UIProcess crash due to an out-of-bounds read and an integer underflow (bsc#1254208). - CVE-2025-13947: use of the file drag-and-drop mechanism may lead to remote information disclosure due to a lack of verification of the origins of drag operations (bsc#1254473). - CVE-2025-14174: processing maliciously crafted web content may lead to memory corruption due to improper validation (bsc#1255497). - CVE-2025-43392: websites may exfiltrate image data cross-origin due to issues with cache handling (bsc#1254165). - CVE-2025-43421: processing maliciously crafted web content may lead to an unexpected process crash due to enabled array allocation sinking (bsc#1254167). - CVE-2025-43425: processing maliciously crafted web content may lead to an unexpected process crash due to improper memory handling (bsc#1254168). - CVE-2025-43427: processing maliciously crafted web content may lead to an unexpected process crash due to issues with state management (bsc#1254169). - CVE-2025-43429: processing maliciously crafted web content may lead to an unexpected process crash due to a buffer overflow issue (bsc#1254174). - CVE-2025-43430: processing maliciously crafted web content may lead to an unexpected process crash due to issues with state management (bsc#1254172). - CVE-2025-43431: processing maliciously crafted web content may lead to memory corruption due to improper memory handling (bsc#1254170). - CVE-2025-43432: processing maliciously crafted web content may lead to an unexpected process crash due to a use-after-free issue (bsc#1254171). - CVE-2025-43434: processing maliciously crafted web content may lead to an unexpected process crash due to a use-after-free issue (bsc#1254179). - CVE-2025-43440: processing maliciously crafted web content may lead to an unexpected process crash due to missing checks (bsc#1254177). - CVE-2025-43443: processing maliciously crafted web content may lead to an unexpected process crash due to missing checks (bsc#1254176). - CVE-2025-43458: processing maliciously crafted web content may lead to an unexpected process crash due to issues with state management (bsc#1254498). - CVE-2025-43501: processing maliciously crafted web content may lead to an unexpected process crash due to a buffer overflow issue (bsc#1255194). - CVE-2025-43529: processing maliciously crafted web content may lead to arbitrary code execution due to a use-after-free issue (bsc#1255198). - CVE-2025-43531: processing maliciously crafted web content may lead to an unexpected process crash due to a race condition (bsc#1255183). - CVE-2025-43535: processing maliciously crafted web content may lead to an unexpected process crash due to improper memory handling (bsc#1255195). - CVE-2025-43536: processing maliciously crafted web content may lead to an unexpected process crash due to a use-after-free issue (bsc#1255200). - CVE-2025-43541: processing maliciously crafted web content may lead to an unexpected process crash due to type confusion (bsc#1255191). - CVE-2025-66287: processing maliciously crafted web content may lead to an unexpected process crash due to improper memory handling (bsc#1254509). Other issues fixed and changes: - Version 2.50.4: * Correctly handle the program name passed to the sleep disabler. * Ensure GStreamer is initialized before using the Quirks. * Fix several crashes and rendering issues. - Version 2.50.3: * Fix seeking and looping of media elements that set the 'loop' property. * Fix several crashes and rendering issues. - Version 2.50.2: * Prevent unsafe URI schemes from participating in media playback. * Make jsc_value_array_buffer_get_data() function introspectable. * Fix logging in to Google accounts that have a WebAuthn second factor configured. * Fix loading webkit://gpu when there are no threads configured for GPU rendering. * Fix rendering gradiants that use the CSS hue interpolation method. * Fix pasting image data from the clipboard. * Fix font-family selection when the font name contains spaces. * Fix the build with standard C libraries that lack execinfo.h, like Musl or uClibc. * Fix capturing canvas snapshots in the Web Inspector. * Fix several crashes and rendering issues. - Fix a11y regression where AT-SPI roles were mapped incorrectly.

Where it's fixed

ProductFixed inFixReleased
Linux
gir1.2-javascriptcoregtk-4.0 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 gir1.2-javascriptcoregtk-4.0 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
gir1.2-javascriptcoregtk-4.1 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 gir1.2-javascriptcoregtk-4.1 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
gir1.2-javascriptcoregtk-6.0 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 gir1.2-javascriptcoregtk-6.0 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
gir1.2-webkit-6.0 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 gir1.2-webkit-6.0 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
gir1.2-webkit2-4.0 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 gir1.2-webkit2-4.0 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
gir1.2-webkit2-4.1 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 gir1.2-webkit2-4.1 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
libjavascriptcoregtk-4.0-18 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 libjavascriptcoregtk-4.0-18 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
libjavascriptcoregtk-4.0-bin · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 libjavascriptcoregtk-4.0-bin 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
libjavascriptcoregtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 libjavascriptcoregtk-4.1-0 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
libjavascriptcoregtk-6.0-1 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 libjavascriptcoregtk-6.0-1 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
libwebkit2gtk-4.0-37 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 libwebkit2gtk-4.0-37 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
libwebkit2gtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 libwebkit2gtk-4.1-0 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
libwebkitgtk-6.0-4 · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 libwebkitgtk-6.0-4 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
webkit2gtk · Debian 12.15 (bookworm) 2.42.1-1~deb12u1 DEBIAN-CVE-2023-43000 Nov 5, 2025
webkit2gtk · Debian 13.5 (trixie) 2.42.0-1 DEBIAN-CVE-2023-43000 Nov 5, 2025
webkit2gtk · Debian 14 2.42.0-1 DEBIAN-CVE-2023-43000 Nov 5, 2025
webkit2gtk-driver · Ubuntu 22.04.1 LTS (jammy) 2.42.1-0ubuntu0.22.04.1 webkit2gtk-driver 2.42.1-0ubuntu0.22.04.1 Nov 5, 2025
webkit2gtk3 · RHEL 8 0:2.42.5-1.el8 RHSA-2024:2982 May 22, 2024
webkit2gtk3 · RHEL 9 0:2.42.5-1.el9 RHSA-2024:2126 Apr 30, 2024
webkit2gtk3 · almalinux 8 2.50.3-1.el8_10 ALSA-2025:22789 Dec 8, 2025
webkit2gtk3 · almalinux 9 2.50.3-1.el9_7 ALSA-2025:22790 Dec 8, 2025
webkit2gtk3 · ol 8 0:2.50.3-1.el8_10 ELSA-2025-22789 Dec 8, 2025
webkit2gtk3 · ol 9 0:2.50.3-1.el9_7 ELSA-2025-22790 Dec 8, 2025
webkit2gtk3 · opensuse-leap 15.6 2.50.4-150600.12.54.1 SUSE-SU-2026:0021-1 Jan 5, 2026
webkit2gtk3 · opensuse-leap 16.0 2.50.4-160000.1.1 OPENSUSE-SU-2026:20065-1 Jan 20, 2026
webkit2gtk3 · rocky 8 0:2.50.3-1.el8_10 RLSA-2025:22789 Dec 9, 2025
webkit2gtk3 · rocky 9 0:2.50.3-1.el9_7 RLSA-2025:22790 Dec 9, 2025
webkit2gtk3 · sles 15.6 2.50.4-150600.12.54.1 SUSE-SU-2026:0021-1 Jan 5, 2026
webkit2gtk3 · sles 15.7 2.50.4-150600.12.54.1 SUSE-SU-2026:0021-1 Jan 5, 2026
webkit2gtk3 · sles 16.0 2.50.4-160000.1.1 SUSE-SU-2026:20102-1 Jan 20, 2026
webkit2gtk3-devel · RHEL 8 0:2.42.5-1.el8 RHSA-2024:2982 May 22, 2024
webkit2gtk3-devel · RHEL 9 0:2.42.5-1.el9 RHSA-2024:2126 Apr 30, 2024
webkit2gtk3-devel · almalinux 8 2.50.3-1.el8_10 ALSA-2025:22789 Dec 8, 2025
webkit2gtk3-devel · almalinux 9 2.50.3-1.el9_7 ALSA-2025:22790 Dec 8, 2025
webkit2gtk3-devel · ol 8 0:2.50.3-1.el8_10 ELSA-2025-22789 Dec 8, 2025
webkit2gtk3-devel · ol 9 0:2.50.3-1.el9_7 ELSA-2025-22790 Dec 8, 2025
webkit2gtk3-jsc · RHEL 8 0:2.42.5-1.el8 RHSA-2024:2982 May 22, 2024
webkit2gtk3-jsc · RHEL 9 0:2.42.5-1.el9 RHSA-2024:2126 Apr 30, 2024
webkit2gtk3-jsc · almalinux 8 2.50.3-1.el8_10 ALSA-2025:22789 Dec 8, 2025
webkit2gtk3-jsc · almalinux 9 2.50.3-1.el9_7 ALSA-2025:22790 Dec 8, 2025
webkit2gtk3-jsc · ol 8 0:2.50.3-1.el8_10 ELSA-2025-22789 Dec 8, 2025
webkit2gtk3-jsc · ol 9 0:2.50.3-1.el9_7 ELSA-2025-22790 Dec 8, 2025
webkit2gtk3-jsc-devel · RHEL 8 0:2.42.5-1.el8 RHSA-2024:2982 May 22, 2024
webkit2gtk3-jsc-devel · RHEL 9 0:2.42.5-1.el9 RHSA-2024:2126 Apr 30, 2024
webkit2gtk3-jsc-devel · almalinux 8 2.50.3-1.el8_10 ALSA-2025:22789 Dec 8, 2025
webkit2gtk3-jsc-devel · almalinux 9 2.50.3-1.el9_7 ALSA-2025:22790 Dec 8, 2025
webkit2gtk3-jsc-devel · ol 8 0:2.50.3-1.el8_10 ELSA-2025-22789 Dec 8, 2025
webkit2gtk3-jsc-devel · ol 9 0:2.50.3-1.el9_7 ELSA-2025-22790 Dec 8, 2025
webkit2gtk3-soup2 · opensuse-leap 15.6 2.50.4-150600.12.54.1 SUSE-SU-2026:0021-1 Jan 5, 2026
webkit2gtk3-soup2 · opensuse-leap 16.0 2.50.4-160000.1.1 OPENSUSE-SU-2026:20065-1 Jan 20, 2026
webkit2gtk3-soup2 · sles 15.6 2.50.4-150600.12.54.1 SUSE-SU-2026:0021-1 Jan 5, 2026
webkit2gtk3-soup2 · sles 15.7 2.50.4-150600.12.54.1 SUSE-SU-2026:0021-1 Jan 5, 2026
webkit2gtk4 · opensuse-leap 15.6 2.50.4-150600.12.54.1 SUSE-SU-2026:0021-1 Jan 5, 2026
webkit2gtk4 · opensuse-leap 16.0 2.50.4-160000.1.1 OPENSUSE-SU-2026:20065-1 Jan 20, 2026
webkit2gtk4 · sles 15.6 2.50.4-150600.12.54.1 SUSE-SU-2026:0021-1 Jan 5, 2026
webkit2gtk4 · sles 15.7 2.50.4-150600.12.54.1 SUSE-SU-2026:0021-1 Jan 5, 2026
webkit2gtk4 · sles 16.0 2.50.4-160000.1.1 SUSE-SU-2026:20102-1 Jan 20, 2026
wpewebkit · Debian 13.5 (trixie) 2.42.0-1 DEBIAN-CVE-2023-43000 Nov 5, 2025
wpewebkit · Debian 14 2.42.0-1 DEBIAN-CVE-2023-43000 Nov 5, 2025

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