{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2020-6831", "ASSIGNER": "security@mozilla.org", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Mozilla", "product": { "product_data": [ { "product_name": "Firefox ESR", "version": { "version_data": [ { "version_value": "68.8", "version_affected": "<" } ] } }, { "product_name": "Firefox", "version": { "version_data": [ { "version_value": "76", "version_affected": "<" } ] } }, { "product_name": "Thunderbird", "version": { "version_data": [ { "version_value": "68.8.0", "version_affected": "<" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Buffer overflow in SCTP chunk input validation" } ] } ] }, "references": { "reference_data": [ { "url": "https://www.mozilla.org/security/advisories/mfsa2020-18/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2020-18/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2020-16/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2020-16/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2020-17/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2020-17/" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632241", "refsource": "MISC", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632241" }, { "refsource": "UBUNTU", "name": "USN-4373-1", "url": "https://usn.ubuntu.com/4373-1/" }, { "refsource": "MISC", "name": "https://security.gentoo.org/glsa/202005-03", "url": "https://security.gentoo.org/glsa/202005-03" }, { "refsource": "MISC", "name": "https://security.gentoo.org/glsa/202005-04", "url": "https://security.gentoo.org/glsa/202005-04" }, { "refsource": "DEBIAN", "name": "DSA-4714", "url": "https://www.debian.org/security/2020/dsa-4714" }, { "refsource": "SUSE", "name": "openSUSE-SU-2020:0917", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html" }, { "refsource": "MISC", "name": "http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html", "url": "http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0." } ] } }