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openSUSE Leap 15.4 webkit2gtk3 Moderate Threats ID SUSE-2026-1749-1

suse
Calendar Grey May 7, 2026
Dist Suse Esm H88
This advisory covers eight vulnerabilities fixed in webkit2gtk3 for openSUSE with moderate severity updates.
An update that solves eight vulnerabilities can now be installed.

Summary

## This update for webkit2gtk3 fixes the following issues: Update to version 2.52.1. Security issues fixed: * CVE-2026-20643: processing maliciously crafted web content may bypass Same Origin Policy (bsc#1261172). * CVE-2026-20664: processing maliciously crafted web content may lead to an unexpected process crash (bsc#1261173). * CVE-2026-20665: processing maliciously crafted web content may prevent Content Security Policy from being enforced (bsc#1261174). * CVE-2026-20691: a maliciously crafted webpage may be able to fingerprint the user (bsc#1261175). * CVE-2026-28857: processing maliciously crafted web content may lead to an unexpected process crash (bsc#1261176). * CVE-2026-28859: a malicious website may be able to process restricted web content outside the sandbox (bsc#1261177).

Topics%20covered

Topics Covered

security advisory moderate threat mitigation OpenSUSE attack type webkit2gtk3

References

* bsc#1261172

* bsc#1261173

* bsc#1261174

* bsc#1261175

* bsc#1261176

* bsc#1261177

* bsc#1261178

* bsc#1261179

Cross-

* CVE-2026-20643

* CVE-2026-20664

* CVE-2026-20665

* CVE-2026-20691

* CVE-2026-28857

* CVE-2026-28859

* CVE-2026-28861

* CVE-2026-28871

CVSS scores:

* CVE-2026-20643 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

* CVE-2026-20643 ( NVD ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

* CVE-2026-20664 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2026-20664 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

* CVE-2026-20665 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

* CVE-2026-20665 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Announcement ID: SUSE-SU-2026:1749-1
Release Date: 2026-05-07T10:49:01Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate threat mitigation OpenSUSE attack type webkit2gtk3

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