CVE-2020-6806

Name
CVE-2020-6806
Description
By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
NVD Severity
high
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-10/
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1612308
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-08/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-09/
UBUNTU https://usn.ubuntu.com/4328-1/
UBUNTU https://usn.ubuntu.com/4335-1/
MISC http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 74.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* firefox_esr >= None < 68.6.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= None < 68.6.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
thunderbird edge-community 68.6.0-r0 None fixed
thunderbird edge-community 68.5.0-r0 None possibly vulnerable
thunderbird 3.22-community 68.6.0-r0 None fixed
thunderbird 3.22-community 68.5.0-r0 None possibly vulnerable
thunderbird 3.21-community 68.6.0-r0 None fixed
thunderbird 3.20-community 68.6.0-r0 None fixed
thunderbird 3.19-community 68.6.0-r0 None fixed
thunderbird 3.18-community 68.6.0-r0 None fixed
thunderbird 3.17-community 68.6.0-r0 None fixed
librewolf edge-community 74.0-r0 None fixed
librewolf 3.22-community 74.0-r0 None fixed
librewolf 3.21-community 74.0-r0 None fixed
firefox-esr edge-community 68.6.0-r0 None fixed
firefox-esr 3.22-community 68.6.0-r0 None fixed
firefox-esr 3.21-community 68.6.0-r0 None fixed
firefox-esr 3.20-community 68.6.0-r0 None fixed
firefox-esr 3.19-community 68.6.0-r0 None fixed
firefox-esr 3.18-community 68.6.0-r0 None fixed
firefox-esr 3.17-community 68.6.0-r0 None fixed
firefox edge-community 74.0-r0 None fixed
firefox edge-community 71.0.1-r0 None fixed
firefox edge-community 70.0-r0 None fixed
firefox edge-community 68.0.2-r0 None possibly vulnerable
firefox 3.22-community 74.0-r0 None fixed
firefox 3.22-community 71.0.1-r0 None fixed
firefox 3.22-community 70.0-r0 None fixed
firefox 3.22-community 68.0.2-r0 None possibly vulnerable
firefox 3.21-community 74.0-r0 None fixed
firefox 3.20-community 74.0-r0 None fixed
firefox 3.19-community 74.0-r0 None fixed
firefox 3.18-community 74.0-r0 None fixed
firefox 3.17-community 74.0-r0 None fixed