Known vulnerabilities in Firefox ESR - page 59

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
#VU156051 - Protection Mechanism Failure
CVE-2026-109744
CWE-693 Medium
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156027 - Exposure of sensitive information to an unauthorized actor
CVE-2026-109742
CWE-200 Low
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156014 - Use After Free
CVE-2026-109713
CWE-416 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156015 - Use After Free
CVE-2026-109717
CWE-416 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156016 - Improper Interaction Between Multiple Correctly-Behaving Entities
CVE-2026-109720
CWE-435 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156017 - Improper input validation
CVE-2026-109721
CWE-20 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156018 - Integer overflow
CVE-2026-109723
CWE-190 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156009 - Use After Free
CVE-2026-109705
CWE-416 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156010 - Use After Free
CVE-2026-109707
CWE-416 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156011 - Improper input validation
CVE-2026-109708
CWE-20 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156012 - Improper Access Control
CVE-2026-109709
CWE-284 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU156013 - Use After Free
CVE-2026-109711
CWE-416 High
No
No
153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155986 - Improper input validation
CVE-2026-109722
CWE-20 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155983 - Memory corruption
CVE-2026-109716
CWE-119 Medium
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155984 - Use After Free
CVE-2026-109718
CWE-416 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155985 - Use After Free
CVE-2026-109719
CWE-416 Medium
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155981 - Use of Uninitialized Variable
CVE-2026-109712
CWE-457 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155982 - Memory corruption
CVE-2026-109715
CWE-119 Medium
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155979 - Use After Free
CVE-2026-109706
CWE-416 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more
#VU155980 - Use After Free
CVE-2026-109710
CWE-416 High
No
No
115.43.0, 153.5.0 16.10.2026 SB2026101619
SB2026101620
SB20261022527
and 1 more


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