CVE-2020-15683

CVE-2020-15683: vulnerability in Mozilla Firefox

Published 22 Oct 2020 · Updated 04 Aug 2024

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 2.7%

Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. 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. This vulnerability affects Firefox ESR < 78.4, Firefox < 82, and Thunderbird < 78.4.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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In the same product, most dangerous first.

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References

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00057.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00062.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html https://bugzilla.mozilla.org/buglist.cgi?bug_id=1576843%2C1656987%2C1660954%2C1662760%2C1663439%2C1666140 https://lists.debian.org/debian-lts-announce/2020/10/msg00027.html https://security.gentoo.org/glsa/202010-08 https://www.debian.org/security/2020/dsa-4780 https://www.mozilla.org/security/advisories/mfsa2020-45/https://www.mozilla.org/security/advisories/mfsa2020-46/https://www.mozilla.org/security/advisories/mfsa2020-47/