vulnerability

Ubuntu: (Multiple Advisories) (CVE-2019-11757): Firefox vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Oct 23, 2019
Added
Oct 24, 2019
Modified
Aug 18, 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.

Solutions

ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird

References

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    NEW

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