VDB

CVE-2026-2634

CVE-2026-2634 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 0.31% · 23.2th 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
0.31%
23.2th percentile

Affected Products

VendorProductVersions
AmazonAmazon Linux 2
SUSESUSE Linux
IGELIGEL OS
SUSESUSE openSUSE
MozillaMozilla Thunderbird <148
UbuntuUbuntu Linux
MozillaMozilla Firefox ESR <140.8
MozillaMozilla Firefox <148
MozillaMozilla Firefox ESR <115.33
DebianDebian Linux
Red HatRed Hat Enterprise Linux
MozillaMozilla Firefox iOS <147.4
RESFRESF Rocky Linux
MozillaMozilla Thunderbird <140.8
OracleOracle Linux

Timeline

  • Feb 17, 2026 CVE ID Reserved
  • Feb 24, 2026 CVE Published
  • Feb 25, 2026 EPSS Score
  • Feb 27, 2026 EPSS Score
  • Feb 28, 2026 EPSS Score
  • Mar 2, 2026 EPSS Score
  • Mar 3, 2026 EPSS Score
  • Mar 5, 2026 EPSS Score
  • Mar 6, 2026 EPSS Score
  • Mar 8, 2026 EPSS Score
  • Mar 9, 2026 EPSS Score
  • Mar 11, 2026 EPSS Score
Open in Interactive Console →
$ Console Community · 100/wk Open console ›