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Mozilla » Firefox Esr : Security Vulnerabilities Published In 2021 (Bypass)

CVSS Scores Greater Than: 0   1   2   3   4   5   6   7   8   9  
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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2021-38503 863 Bypass 2021-12-08 2022-03-16
7.5
 None Remote Low Not required Partial Partial Partial
The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
2 CVE-2021-29955 74 Exec Code Bypass 2021-06-24 2021-06-30
2.6
 None Remote High Not required Partial None None
A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have also enabled JIT type confusion attacks. (A related vulnerability, Speculative Code Store Bypass (SCSB), did not affect Firefox.). This vulnerability affects Firefox ESR < 78.9 and Firefox < 87.
3 CVE-2021-29946 190 Overflow Bypass 2021-06-24 2021-06-25
6.8
 None Remote Medium Not required Partial Partial Partial
Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
4 CVE-2020-26973 Bypass 2021-01-07 2021-01-11
6.8
 None Remote Medium Not required Partial Partial Partial
Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
Total number of vulnerabilities : 4   Page : 1 (This Page)
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