VDB

CVE-2026-12321

CVE-2026-12321 PUBLISHED CVSS 9.300000190734863 CRITICAL

Firefox ist ein Open Source Web Browser. Firefox ist ein Open Source Web Browser. ESR ist die Variante mit verlängertem Support. Thunderbird ist ein Open Source E-Mail Client.

EPSS 0.16% · 5.4th percentile

Risk Scores

CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.16%
5.4th percentile

Affected Products

VendorProductVersions
AmazonAmazon Linux 2
UbuntuUbuntu Linux
MozillaMozilla Thunderbird <140.12
MozillaMozilla Thunderbird <152
SUSESUSE openSUSE
OracleOracle Linux
IGELIGEL OS
RESFRESF Rocky Linux
SUSESUSE Linux
MozillaMozilla Firefox ESR <140.12
DebianDebian Linux
Red HatRed Hat Enterprise Linux
MozillaMozilla Firefox ESR <115.37
Red HatRed Hat Enterprise Linux 8
MozillaMozilla Firefox <152

Timeline

  • Jun 16, 2026 CVE Published
  • Jun 17, 2026 EPSS Score
  • Jun 17, 2026 Coalition ESS Score
  • Jun 17, 2026 CVE Updated
  • Jun 19, 2026 Security Advisory
  • Aug 11, 2026 Distribution Patch
  • Aug 11, 2026 Distribution Patch
  • Aug 11, 2026 Distribution Patch
  • Aug 11, 2026 Distribution Patch
  • Aug 11, 2026 Distribution Patch
  • Aug 11, 2026 Distribution Patch
  • Aug 11, 2026 Distribution Patch

References

…and 34 more

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