vulnerability
MFSA2016-88 Thunderbird: Security vulnerabilities fixed in Thunderbird 45.4 (CVE-2016-5276)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Sep 22, 2016 | Oct 25, 2016 | Mar 27, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Sep 22, 2016
Added
Oct 25, 2016
Modified
Mar 27, 2026
Description
Use-after-free vulnerability in the mozilla::a11y::DocAccessible::ProcessInvalidationList function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via an aria-owns attribute.
Solution
mozilla-thunderbird-upgrade-45_4
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