Use After Free Affecting firefox package, versions <70.0-1
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-474019
- published 22 Oct 2019
- disclosed 8 Jan 2020
Introduced: 22 Oct 2019
CVE-2019-11757 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
firefox
to version 70.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox
package and not the firefox
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
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.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11757
- https://security-tracker.debian.org/tracker/CVE-2019-11757
- https://security.gentoo.org/glsa/202003-10
- https://www.mozilla.org/security/advisories/mfsa2019-33/
- https://www.mozilla.org/security/advisories/mfsa2019-34/
- https://www.mozilla.org/security/advisories/mfsa2019-35/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1577107
- https://usn.ubuntu.com/4335-1/
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-11757