Known vulnerabilities in Firefox ESR - page 60

Vendor: Mozilla
Software: Firefox ESR
Software CPE: cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Total vulnerabilities: 1403
Public exploits: 31
Known exploited (KEV): 13

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting Firefox ESR Firefox ESR is affected by 1403 known vulnerabilities: 11 critical, 644 high, 459 medium, 289 low Critical High Medium Low

Vulnerabilities (1403)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU158170 - Improper isolation or compartmentalization
CVE-2026-117958
CWE-653 Medium
No
No
153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158132 - Use After Free
CVE-2026-117954
CWE-416 Medium
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158120 - Use After Free
CVE-2026-117938
CWE-416 Medium
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU156679 - Improper Check for Certificate Revocation
CVE-2026-113470
CWE-299 Medium
No
No
115.43.1, 153.5.1 21.10.2026 SB2026102190
SB20261021132
SB2026102945
and 2 more
#VU156024 - Use After Free
CVE-2026-109738
CWE-416 Medium
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156025 - Improper input validation
CVE-2026-109740
CWE-20 Medium
No
No
153.5.0 16.10.2026 SB2026101620
SB20261022527
SB20261022528
#VU156026 - Use After Free
CVE-2026-109741
CWE-416 Medium
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156019 - Use After Free
CVE-2026-109724
CWE-416 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156020 - Improper input validation
CVE-2026-109731
CWE-20 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156021 - Protection Mechanism Failure
CVE-2026-109734
CWE-693 Medium
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156022 - Protection Mechanism Failure
CVE-2026-109736
CWE-693 Medium
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156023 - Protection Mechanism Failure
CVE-2026-109737
CWE-693 Medium
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155992 - Integer overflow
CVE-2026-109730
CWE-190 Medium
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155993 - Use After Free
CVE-2026-109732
CWE-416 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155994 - Improper input validation
CVE-2026-109733
CWE-20 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155989 - Use After Free
CVE-2026-109727
CWE-416 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155990 - Use After Free
CVE-2026-109728
CWE-416 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155991 - Use After Free
CVE-2026-109729
CWE-416 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155987 - Use After Free
CVE-2026-109725
CWE-416 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155988 - Use After Free
CVE-2026-109726
CWE-416 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more


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