CVE-2020-12419

Summary

When processing callbacks that occurred during window flushing in the parent process, the associated window may die; causing a use-after-free condition. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

Affected Software

Weaknesses

• Use-after-free in nsGlobalWindowInner

ADP Enrichment

CVE Program Container

Additional References

• https://www.mozilla.org/security/advisories/mfsa2020-24/
• https://www.mozilla.org/security/advisories/mfsa2020-26/
• https://www.mozilla.org/security/advisories/mfsa2020-25/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1643874
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
• https://usn.ubuntu.com/4421-1/
• https://security.gentoo.org/glsa/202007-09
• https://security.gentoo.org/glsa/202007-10

References

• https://www.mozilla.org/security/advisories/mfsa2020-24/
• https://www.mozilla.org/security/advisories/mfsa2020-26/
• https://www.mozilla.org/security/advisories/mfsa2020-25/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1643874
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
• https://usn.ubuntu.com/4421-1/
• https://security.gentoo.org/glsa/202007-09
• https://security.gentoo.org/glsa/202007-10

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