SUSE-SU-2026:2583-1: MozillaFirefox&distro=SUSE Linux Enterprise Server 12 SP5-LTSS SUSE Linux Enterprise

CVSS: UnknownPublished
Published 23-06-2026Last modified 24-06-2026
Open JSON

Vulnerability summary

SUSE-SU-2026:2583-1 is a vulnerability in MozillaFirefox&distro=SUSE Linux Enterprise Server 12 SP5-LTSS SUSE Linux Enterprise with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 29 · Downstream 0 · Related 29
CVE-2026-12289CVE-2026-12290CVE-2026-12291CVE-2026-12292CVE-2026-12294CVE-2026-12295

Timeline

  1. 23-06-2026
    PublishedVulnerability first disclosed.
  2. 24-06-2026
    Last modifiedVulnerability information updated.

Description

Security update for MozillaFirefox This update for MozillaFirefox fixes the following issues: Update to Firefox 140.12.0 ESR (MFSA 2026-58, bsc#1268071): - CVE-2026-12289: Privilege escalation in the Graphics: WebRender component. - CVE-2026-12290: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12291: Use-after-free in the Networking: HTTP component. - CVE-2026-12292: Incorrect boundary conditions in the Web Audio component. - CVE-2026-12294: Sandbox escape in the DOM: Workers component. - CVE-2026-12295: Sandbox escape in the DOM: Navigation component. - CVE-2026-12296: Sandbox escape in the Security: Process Sandboxing component. - CVE-2026-12297: Sandbox escape due to incorrect boundary conditions in the Networking component. - CVE-2026-12298: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12299: JIT miscompilation in the DOM: Core & HTML component. - CVE-2026-12302: Mitigation bypass in the DOM: Security component. - CVE-2026-12304: Same-origin policy bypass in the Networking: Cookies component. - CVE-2026-12305: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12306: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12307: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12308: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12309: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12310: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12311: Information disclosure, sandbox escape in the Security: Process Sandboxing component. - CVE-2026-12312: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12313: Information disclosure, sandbox escape in the Security: Process Sandboxing component. - CVE-2026-12314: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12315: Mitigation bypass in the DOM: Security component. - CVE-2026-12324: Incorrect boundary conditions in the Graphics: CanvasWebGL component. - CVE-2026-12325: Denial-of-service in the Graphics: ImageLib component. - CVE-2026-12327: Memory safety bugs fixed in Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152. - CVE-2026-12328: Memory safety bugs fixed in Firefox ESR 115.37, Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152. - CVE-2026-12329: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12330: Incorrect boundary conditions in the Internationalization component.

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Suse2 products
  • MozillaFirefox&distro=SUSE Linux Enterprise Server 12 SP5-LTSS< 140.12.0-112.321.1
  • MozillaFirefox&distro=SUSE Linux Enterprise Server LTSS Extended Security 12 SP5< 140.12.0-112.321.1

1 vendor · 2 products

References

31 links
Show all 31 references