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[MFSA-2021-26] Security Vulnerabilities fixed in Thunderbird 78.11

Severity Moderate
Affected Packages 1
Fixed Packages 1
CVEs 2
Info Packages References Vulnerabilities
  • CVE-2021-29964: Out of bounds-read when parsing a "WM_COPYDATA" message (moderate) A locally-installed hostile program could send WM_COPYDATA messages that Thunderbird would processing incorrectly, leading to an out-of-bounds read.

This bug only affects Thunderbird on Windows. Other operating systems are unaffected.

  • CVE-2021-29967: Memory safety bugs fixed in Thunderbird 78.11 (high) Mozilla developers Gabriele Svelto, Anny Gakhokidze, Alexandru Michis, Christian Holler reported memory safety bugs present in Thunderbird 78.11. 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.
Package Affected Version
pkg:mozilla/Thunderbird < 78.11
Package Fixed Version
pkg:mozilla/Thunderbird = 78.11
ID
MFSA-2021-26
Severity
moderate
URL
https://www.mozilla.org/en-US/security/advisories/mfsa2021-26
Published
2021-06-03T00:00:00
(3 years ago)
Modified
2021-06-03T00:00:00
(3 years ago)
Other Advisories
Source # ID Name URL
Bugzilla 1706501 https://bugzilla.mozilla.org/show_bug.cgi?id=1706501
Bugzilla 1602862 Memory safety bugs fixed in Thunderbird 78.11 https://bugzilla.mozilla.org/show_bug.cgi?id=1602862
Bugzilla 1703191 Memory safety bugs fixed in Thunderbird 78.11 https://bugzilla.mozilla.org/show_bug.cgi?id=1703191
Bugzilla 1703760 Memory safety bugs fixed in Thunderbird 78.11 https://bugzilla.mozilla.org/show_bug.cgi?id=1703760
Bugzilla 1704722 Memory safety bugs fixed in Thunderbird 78.11 https://bugzilla.mozilla.org/show_bug.cgi?id=1704722
Bugzilla 1706041 Memory safety bugs fixed in Thunderbird 78.11 https://bugzilla.mozilla.org/show_bug.cgi?id=1706041
Type Package URL Namespace Name / Product Version Distribution / Platform Arch Patch / Fix
Affected pkg:mozilla/Thunderbird Thunderbird < 78.11
Fixed pkg:mozilla/Thunderbird Thunderbird = 78.11
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date