Known vulnerabilities in Firefox ESR - page 69

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
#VU152833 - Use After Free
CVE-2026-100772
CWE-416 Medium
No
No
140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152834 - Use After Free
CVE-2026-100776
CWE-416 Medium
No
No
140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152835 - Untrusted Pointer Dereference
CVE-2026-100788
CWE-822 Medium
No
No
140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152836 - Incorrect Calculation
CVE-2026-100792
CWE-682 Medium
No
No
140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152837 - Off-by-one Error
CVE-2026-100794
CWE-193 Medium
No
No
140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152838 - Exposure of sensitive information to an unauthorized actor
CVE-2026-96869
CWE-200 Low
No
No
140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152840 - Improper Privilege Management
CVE-2026-100807
CWE-269 Medium
No
No
140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152832 - Use After Free
CVE-2026-100769
CWE-416 Medium
No
No
140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152826 - Use After Free
CVE-2026-100797
CWE-416 High
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 22 more
#VU152827 - Origin Validation Error
CVE-2026-100803
CWE-346 Medium
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152828 - Off-by-one Error
CVE-2026-100819
CWE-193 Medium
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152829 - Protection Mechanism Failure
CVE-2026-100821
CWE-693 Low
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152822 - Use After Free
CVE-2026-100789
CWE-416 High
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 22 more
#VU152823 - Use After Free
CVE-2026-100790
CWE-416 High
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152824 - Use After Free
CVE-2026-100791
CWE-416 High
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 22 more
#VU152825 - Use After Free
CVE-2026-100832
CWE-416 High
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152818 - Use of Uninitialized Resource
CVE-2026-100783
CWE-908 High
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152819 - Use After Free
CVE-2026-100784
CWE-416 High
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 22 more
#VU152820 - Use After Free
CVE-2026-100785
CWE-416 High
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 21 more
#VU152821 - Use After Free
CVE-2026-100786
CWE-416 High
No
No
115.42.0, 140.17.0, 153.4.0 29.09.2026 SB2026092960
SB2026100142
SB20261007246
and 22 more


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