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firefox-esr vulnerabilities · Page 47

Vulnerabilities published for firefox-esr in the last 30 days: 206. Listed in the KEV catalogue: 0.

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Vulnerabilities: 1349

  1. CVE-2021-38493

    High · CVSS 8.8EPSS 1.24%Fix available

    CVE-2021-38493

    Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.14, Thunderbird < 78.14, and Firefox < 92.

    • Update to 78.14.0esr-1
    Published Updated
  2. CVE-2021-38496

    High · CVSS 8.8EPSS 1.66%Fix available

    CVE-2021-38496

    During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

    • Update to 91.2.0esr-1
    Published Updated
  3. CVE-2021-38500

    High · CVSS 8.8EPSS 1.27%Fix available

    CVE-2021-38500

    Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

    • Update to 91.2.0esr-1
    Published Updated
  4. CVE-2021-29984

    High · CVSS 8.8EPSS 1.39%Fix available

    CVE-2021-29984

    Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

    • Update to 78.13.0esr-1
    Published Updated
  5. CVE-2021-29986

    High · CVSS 8.1EPSS 1.26%Fix available

    CVE-2021-29986

    A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

    • Update to 78.13.0esr-1
    Published Updated
  6. CVE-2021-29988

    High · CVSS 8.8EPSS 1.38%Fix available

    CVE-2021-29988

    Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

    • Update to 78.13.0esr-1
    Published Updated
  7. CVE-2021-29989

    High · CVSS 8.8EPSS 1.27%Fix available

    CVE-2021-29989

    Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.13, Firefox ESR < 78.13, and Firefox < 91.

    • Update to 78.13.0esr-1
    Published Updated
  8. CVE-2021-29976

    High · CVSS 8.8EPSS 1.22%Fix available

    CVE-2021-29976

    Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

    • Update to 78.12.0esr-1
    Published Updated
  9. CVE-2021-23999

    High · CVSS 8.8EPSS 1.37%Fix available

    CVE-2021-23999

    If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

    • Update to 78.10.0esr-1
    Published Updated

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