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openSUSE Webkit2gtk3 Important Heap Buffer Overflow Vuln 2026-2376-1

suse
Calendar Grey June 11, 2026
Dist Suse Esm H88
Critical security update for SUSE webkit2gtk3; fixes 16 issues, ensuring safe web interaction and data protection.
An update that solves 16 vulnerabilities and has one security fix can now be installed.

Summary

## This update for webkit2gtk3 fixes the following issues Update to version 2.52.4: Security fixes: * 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

Topics%20covered

Topics Covered

security advisory code execution important memory issue web browser OpenSUSE

References

* bsc#1264745

* bsc#1267506

* bsc#1267507

* bsc#1267508

* bsc#1267509

* bsc#1267510

* bsc#1267511

* bsc#1267512

* bsc#1267513

* bsc#1267514

* bsc#1267515

* bsc#1267516

* bsc#1267517

* bsc#1267518

* bsc#1267519

* bsc#1267520

* bsc#1267521

Cross-

* 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

CVSS scores:

* CVE-2026-28847 ( SUSE ): 8.7

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-28847 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

* CVE-2026-28847 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2376-1
Release Date: 2026-06-11T16:07:26Z
Rating: important

Topics%20covered

Topics Covered

security advisory code execution important memory issue web browser OpenSUSE

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