WebKitWebProcess crashes repeatedly with SIGABRT due to heap corruption detected by glibc malloc. 9 crashes over 10 days (4 in current boot alone), all with the same pattern: abort → __libc_message_impl.cold → malloc_printerr Environment: - Fedora 43 Workstation, GNOME 49, Wayland - webkit2gtk4.1-2.50.5-1.fc43.x86_64 - glib2-2.86.4-2.fc43.x86_64 - mesa-25.3.6-2.fc43 (AMD Radeon 780M, Vulkan) - kernel-6.19.8-200.fc43.x86_64 - Hardware: HONOR FMI-XX, AMD Ryzen 7 8845HS Crash stack (main thread): #0 __pthread_kill_implementation (libc.so.6) #1 raise (libc.so.6) #2 abort (libc.so.6) #3 __libc_message_impl.cold (libc.so.6) #4 malloc_printerr (libc.so.6) Upstream has released: - WebKitGTK 2.50.6 (2026-03-12): "Fix several crashes and rendering issues" - WebKitGTK 2.52.0 (2026-03-18): Fixes 17 CVEs including use-after-free (CVE-2025-43438, CVE-2025-43457, CVE-2025-43511) and memory corruption (CVE-2025-31223, CVE-2025-31277, CVE-2025-43433) Please update webkitgtk to at least 2.50.6 for Fedora 43. coredumpctl list output: Mon 2026-03-23 13:01:31 EET - /usr/libexec/webkit2gtk-4.1/WebKitWebProcess SIGABRT 22.7M Mon 2026-03-23 17:06:52 EET - /usr/libexec/webkit2gtk-4.1/WebKitWebProcess SIGABRT 22.6M Mon 2026-03-23 20:24:56 EET - /usr/libexec/webkit2gtk-4.1/WebKitWebProcess SIGABRT 9.5M
I wouldn't be so confident that it's fixed unless you've tested the new version or collected a stack trace, but it's time to update indeed.
FEDORA-2026-431948187d (webkitgtk-2.52.0-1.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-431948187d
FEDORA-2026-6502cee6c2 (webkitgtk-2.52.0-1.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-6502cee6c2
FEDORA-2026-36594550b0 (webkitgtk-2.52.0-1.fc42) has been submitted as an update to Fedora 42. https://bodhi.fedoraproject.org/updates/FEDORA-2026-36594550b0
FEDORA-2026-36594550b0 has been pushed to the Fedora 42 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-36594550b0` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-36594550b0 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-431948187d has been pushed to the Fedora 43 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-431948187d` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-431948187d See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-6502cee6c2 has been pushed to the Fedora 44 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-6502cee6c2` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-6502cee6c2 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-f00460a7d9 has been pushed to the Fedora 44 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-f00460a7d9` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f00460a7d9 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-f00460a7d9 (webkitgtk-2.52.1-1.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-431948187d (webkitgtk-2.52.1-1.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-36594550b0 (webkitgtk-2.52.1-1.fc42) has been pushed to the Fedora 42 stable repository. If problem still persists, please make note of it in this bug report.