vulnerability
MFSA2019-33 Firefox: Security vulnerabilities fixed in - Firefox ESR 68.2 (CVE-2019-11757)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Oct 22, 2019 | Oct 23, 2019 | Aug 11, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Oct 22, 2019
Added
Oct 23, 2019
Modified
Aug 11, 2025
Description
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Solution
mozilla-firefox-esr-upgrade-68_2
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