Mozilla Firefox vulnerabilities
3,702 known vulnerabilities affecting mozilla/firefox.
Total CVEs
3,702
CISA KEV
15
actively exploited
Public exploits
126
Exploited in wild
34
Severity breakdown
CRITICAL981HIGH1095MEDIUM1343LOW68UNKNOWN215
Vulnerabilities
Page 147 of 186
CVE-2026-117997P4UNKNOWNfixed in Firefox 159
CVE-2026-117997 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117997
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117997
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117913P4UNKNOWNfixed in Firefox 159
CVE-2026-117913 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117913
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117913
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117977P4UNKNOWNfixed in Firefox 159
CVE-2026-117977 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117977
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117977
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117920P4UNKNOWNfixed in Firefox 159
CVE-2026-117920 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117920
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117920
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117957P4UNKNOWNfixed in Firefox 159
CVE-2026-117957 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117957
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117957
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-118000P4UNKNOWNfixed in Firefox 159
CVE-2026-118000 Mozilla Foundation Security Advisory 2026-118: CVE-2026-118000
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-118000
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117877P4UNKNOWNfixed in Firefox 159
CVE-2026-117877 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117877
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117877
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117904P4UNKNOWNfixed in Firefox 159
CVE-2026-117904 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117904
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117904
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117909P4UNKNOWNfixed in Firefox 159
CVE-2026-117909 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117909
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117909
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117973P4UNKNOWNfixed in Firefox 159
CVE-2026-117973 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117973
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117973
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117989P4UNKNOWNfixed in Firefox 159
CVE-2026-117989 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117989
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117989
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117955P4UNKNOWNfixed in Firefox 159
CVE-2026-117955 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117955
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117955
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117861P4UNKNOWNfixed in Firefox 159
CVE-2026-117861 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117861
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117861
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117964P4UNKNOWNfixed in Firefox 159
CVE-2026-117964 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117964
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117964
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117945P4UNKNOWNfixed in Firefox 159
CVE-2026-117945 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117945
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117945
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117865P4UNKNOWNfixed in Firefox 159
CVE-2026-117865 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117865
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117865
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117888P4UNKNOWNfixed in Firefox 159
CVE-2026-117888 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117888
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117888
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117972P4UNKNOWNfixed in Firefox 159
CVE-2026-117972 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117972
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117972
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-117996P4UNKNOWNfixed in Firefox 159
CVE-2026-117996 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117996
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117996
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla
CVE-2026-118004P4UNKNOWNfixed in Firefox 159
CVE-2026-118004 Mozilla Foundation Security Advisory 2026-118: CVE-2026-118004
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-118004
Product: Firefox
Impact: low
Fixed in: Firefox 159
mozilla