Known vulnerabilities in Firefox ESR - page 64

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
#VU158187 - Memory corruption
CVE-2026-117982
CWE-119 Medium
No
No
153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158188 - Use After Free
CVE-2026-117983
CWE-416 High
No
No
153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158189 - Improper Check for Unusual or Exceptional Conditions
CVE-2026-117984
CWE-754 Low
No
No
153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158190 - Use After Free
CVE-2026-117985
CWE-416 High
No
No
153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158191 - Use After Free
CVE-2026-117986
CWE-416 High
No
No
153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158148 - Use After Free
CVE-2026-117885
CWE-416 High
No
No
153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158149 - Use of Uninitialized Resource
CVE-2026-117888
CWE-908 Medium
No
No
153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158150 - Incorrect Calculation
CVE-2026-117890
CWE-682 Low
No
No
153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158119 - Memory corruption
CVE-2026-117937
CWE-119 Medium
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158117 - Use After Free
CVE-2026-117935
CWE-416 Medium
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158084 - Improper input validation
CVE-2026-117889
CWE-20 Low
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158085 - Use After Free
CVE-2026-117891
CWE-416 Medium
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158080 - Use After Free
CVE-2026-117883
CWE-416 Medium
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158081 - Use After Free
CVE-2026-117884
CWE-416 Medium
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158082 - Improper input validation
CVE-2026-117886
CWE-20 Low
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158083 - Use After Free
CVE-2026-117887
CWE-416 Medium
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158077 - Use After Free
CVE-2026-117880
CWE-416 Medium
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158078 - Use After Free
CVE-2026-117881
CWE-416 Medium
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158079 - Use After Free
CVE-2026-117882
CWE-416 Medium
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more
#VU158076 - Improper input validation
CVE-2026-117879
CWE-20 Low
No
No
115.44.0, 153.6.0 27.10.2026 SB2026102801
SB20261029163
SB2026110113
and 1 more


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