VDB

CVE-2026-12327

CVE-2026-12327 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 0.41% · 33.5th 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
0.41%
33.5th percentile

Affected Products

VendorProductVersions
UbuntuUbuntu Linux
RESFRESF Rocky Linux
IGELIGEL OS
DebianDebian Linux
MozillaMozilla Thunderbird <140.12
OracleOracle Linux
SUSESUSE Linux
Red HatRed Hat Enterprise Linux
AmazonAmazon Linux 2
MozillaMozilla Firefox ESR <140.12
Red HatRed Hat Enterprise Linux 8
MozillaMozilla Firefox <152
SUSESUSE openSUSE
MozillaMozilla Firefox ESR <115.37
MozillaMozilla Thunderbird <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
  • 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 Distribution Patch
  • Jun 25, 2026 Security Advisory

References

…and 34 more

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