VDB

CVE-2026-12311

CVE-2026-12311 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 0.19% · 8.1th 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
0.19%
8.1th percentile

Affected Products

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

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 Security Advisory
  • Jun 26, 2026 Distribution Patch
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