VDB

CVE-2026-12307

CVE-2026-12307 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 0.26% · 17.4th 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
0.26%
17.4th percentile

Affected Products

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

Timeline

  • Jun 16, 2026 CVE Published
  • Jun 17, 2026 EPSS Score
  • Jun 17, 2026 Coalition ESS Score
  • Jun 18, 2026 CVE Updated
  • Jun 19, 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 26, 2026 Distribution Patch

References

…and 34 more

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