VDB

CVE-2026-12291

CVE-2026-12291 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 0.38% · 30.9th 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
0.38%
30.9th percentile

Affected Products

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

Timeline

  • Jun 16, 2026 CVE Published
  • Jun 17, 2026 EPSS Score
  • Jun 17, 2026 Coalition ESS Score
  • Jun 18, 2026 Security Advisory
  • Jun 22, 2026 Distribution Patch
  • Jun 22, 2026 Security Advisory
  • Jun 22, 2026 Distribution Patch
  • Jun 22, 2026 Security Advisory
  • Jun 25, 2026 Distribution Patch
  • Jun 25, 2026 Security Advisory
  • Jun 27, 2026 Distribution Patch
  • Jun 30, 2026 Distribution Patch

References

…and 34 more

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