CVE-2020-12418

Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malicious JavaScript. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

• CWE-125

• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.htmlMailing List, Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1641303Issue Tracking, Permissions Required, Vendor Advisory
• https://security.gentoo.org/glsa/202007-09Third Party Advisory
• https://security.gentoo.org/glsa/202007-10Third Party Advisory
• https://usn.ubuntu.com/4421-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-24/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-25/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-26/Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.htmlMailing List, Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1641303Issue Tracking, Permissions Required, Vendor Advisory
• https://security.gentoo.org/glsa/202007-09Third Party Advisory
• https://security.gentoo.org/glsa/202007-10Third Party Advisory
• https://usn.ubuntu.com/4421-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-24/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-25/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-26/Vendor Advisory

Published

Jul 9, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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• CVE-2020-12412By navigating a tab using the history API, an attacker could…4.3
• CVE-2020-12413The Raccoon attack is a timing attack on DHE ciphersuites in…5.9
• CVE-2020-12414IndexedDB should be cleared when leaving private browsing mo…6.5
• CVE-2020-12415When "%2F" was present in a manifest URL, Firefox's AppCache…6.5
• CVE-2020-12416A VideoStreamEncoder may have been freed in a race condition…8.8
• CVE-2020-12417Due to confusion about ValueTags on JavaScript Objects, an o…8.8
• CVE-2020-12419When processing callbacks that occurred during window flushi…8.8
• CVE-2020-1242An information disclosure vulnerability exists in the way th…5.3
• CVE-2020-12420When trying to connect to a STUN server, a race condition co…8.8
• CVE-2020-12421When performing add-on updates, certificate chains terminati…6.5
• CVE-2020-12422In non-standard configurations, a JPEG image created by Java…8.8
• CVE-2020-12423When the Windows DLL "webauthn.dll" was missing from the Ope…7.8