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SUSE: 2025:01769-1 important: MozillaFirefox security update

suse
Calendar Grey May 30, 2025
Dist Suse Esm H88
Essential patch for MozillaFirefox on SUSE, addressing several major vulnerabilities to strengthen overall system security.
* bsc#1243353 Cross-References: * CVE-2025-5263 * CVE-2025-5264

Summary

## This update for MozillaFirefox fixes the following issues: Update to Mozilla Firefox ESR 128.11 (MFSA 2025-44, bsc#1243353): * MFSA-TMP-2025-0001: Double-free in libvpx encoder (bmo#1962421) * CVE-2025-5263: Error handling for script execution was incorrectly isolated from web content (bmo#1960745) * CVE-2025-5264: Potential local code execution in "Copy as cURL" command (bmo#1950001) * CVE-2025-5265: Potential local code execution in "Copy as cURL" command (bmo#1962301) * CVE-2025-5266: Script element events leaked cross-origin resource status (bmo#1965628) * CVE-2025-5267: Clickjacking vulnerability could have led to leaking saved payment card details (bmo#1954137) * CVE-2025-5268: Memory safety bugs fixed in Firefox 139, Thunderbird 139,

Topics%20covered

Topics Covered

security advisory SUSE memory safety local code execution script execution MozillaFirefox

References

* bsc#1243353

Cross-

* CVE-2025-5263

* CVE-2025-5264

* CVE-2025-5265

* CVE-2025-5266

* CVE-2025-5267

* CVE-2025-5268

* CVE-2025-5269

CVSS scores:

* CVE-2025-5263 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

* CVE-2025-5263 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

* CVE-2025-5264 ( SUSE ): 4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

* CVE-2025-5264 ( NVD ): 4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

* CVE-2025-5265 ( SUSE ): 4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

* CVE-2025-5265 ( NVD ): 4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

* CVE-2025-5266 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

* CVE-2025-5266 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:01769-1
Release Date: 2025-05-30T09:30:34Z
Rating: important

Topics%20covered

Topics Covered

security advisory SUSE memory safety local code execution script execution MozillaFirefox

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