CVE-2020-12417

Description

Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. *Note: this issue only affects Firefox on ARM64 platforms.* This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

References

https://www.mozilla.org/security/advisories/mfsa2020-26/

https://www.mozilla.org/security/advisories/mfsa2020-25/

https://www.mozilla.org/security/advisories/mfsa2020-24/

https://usn.ubuntu.com/4421-1/

https://security.gentoo.org/glsa/202007-10

https://security.gentoo.org/glsa/202007-09

https://bugzilla.mozilla.org/show_bug.cgi?id=1640737

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3