7.5
CVSSv2

CVE-2020-6831

Published: 26/05/2020 Updated: 21/07/2021
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

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.

Vulnerability Trend

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mozilla firefox

mozilla firefox esr

mozilla thunderbird

canonical ubuntu linux 16.04

canonical ubuntu linux 18.04

canonical ubuntu linux 19.10

canonical ubuntu linux 20.04

debian debian linux 9.0

debian debian linux 10.0

opensuse leap 15.2

Vendor Advisories

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The Mozilla Foundation Security Advisory describes this flaw as:On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in &lt;code&gt;GMPDecodeData&lt;/code&gt; It is possible that with enough effort this could have been exploited to run arbitrary code This vulnerability affects Thunderbird &lt; 68 ...
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code or information disclosure For the oldstable distribution (stretch), these problems have been fixed in version 6880esr-1~deb9u1 For the stable distribution (buster), these problems have been fixed in vers ...
Multiple security issues have been found in Thunderbird which could result in spoofing the displayed sender email address, denial of service or potentially the execution of arbitrary code For the oldstable distribution (stretch), these problems have been fixed in version 1:6880-1~deb9u1 For the stable distribution (buster), these problems have ...
Several vulnerabilities have been discovered in the chromium web browser CVE-2020-6423 A use-after-free issue was found in the audio implementation CVE-2020-6430 Avihay Cohen discovered a type confusion issue in the v8 javascript library CVE-2020-6431 Luan Herrera discovered a policy enforcement error CVE-2020-6432 Luan Her ...
Synopsis Critical: firefox security update Type/Severity Security Advisory: Critical Topic An update for firefox is now available for Red Hat Enterprise Linux 6Red Hat Product Security has rated this update as having a security impact of Critical A Common Vulnerability Scoring System (CVSS) base score, wh ...
Synopsis Critical: firefox security update Type/Severity Security Advisory: Critical Topic An update for firefox is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Critical A Common Vulnerability Scoring System (CVSS) base score, wh ...
Synopsis Critical: firefox security update Type/Severity Security Advisory: Critical Topic An update for firefox is now available for Red Hat Enterprise Linux 80 Update Services for SAP SolutionsRed Hat Product Security has rated this update as having a security impact of Critical A Common Vulnerability ...
Synopsis Critical: thunderbird security update Type/Severity Security Advisory: Critical Topic An update for thunderbird is now available for Red Hat Enterprise Linux 80 Update Services for SAP SolutionsRed Hat Product Security has rated this update as having a security impact of Critical A Common Vulner ...
Synopsis Critical: thunderbird security update Type/Severity Security Advisory: Critical Topic An update for thunderbird is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Critical A Common Vulnerability Scoring System (CVSS) base s ...
Synopsis Critical: thunderbird security update Type/Severity Security Advisory: Critical Topic An update for thunderbird is now available for Red Hat Enterprise Linux 6Red Hat Product Security has rated this update as having a security impact of Critical A Common Vulnerability Scoring System (CVSS) base s ...
Synopsis Critical: thunderbird security update Type/Severity Security Advisory: Critical Topic An update for thunderbird is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Critical A Common Vulnerability Scoring System (CVSS) base s ...
Synopsis Critical: thunderbird security update Type/Severity Security Advisory: Critical Topic An update for thunderbird is now available for Red Hat Enterprise Linux 81 Extended Update SupportRed Hat Product Security has rated this update as having a security impact of Critical A Common Vulnerability Sc ...
Synopsis Critical: firefox security update Type/Severity Security Advisory: Critical Topic An update for firefox is now available for Red Hat Enterprise Linux 81 Extended Update SupportRed Hat Product Security has rated this update as having a security impact of Critical A Common Vulnerability Scoring Sy ...
Synopsis Critical: firefox security update Type/Severity Security Advisory: Critical Topic An update for firefox is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Critical A Common Vulnerability Scoring System (CVSS) base score, wh ...
Synopsis Important: chromium-browser security update Type/Severity Security Advisory: Important Topic An update for chromium-browser is now available for Red Hat Enterprise Linux 6 SupplementaryRed Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability S ...
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 ...
Mozilla Foundation Security Advisory 2020-18 Security Vulnerabilities fixed in Thunderbird 6880 Announced May 5, 2020 Impact critical Products Thunderbird Fixed in Thunderbird 688 ...
Mozilla Foundation Security Advisory 2020-17 Security Vulnerabilities fixed in Firefox ESR 688 Announced May 5, 2020 Impact critical Products Firefox ESR Fixed in Firefox ESR 688 ...
Mozilla Foundation Security Advisory 2020-16 Security Vulnerabilities fixed in Firefox 76 Announced May 5, 2020 Impact critical Products Firefox Fixed in Firefox 76 ...
The stable channel has been updated to 8104044138 for Windows, Mac, and Linux,&nbsp;which will roll out over the coming days/weeks A list of all changes is available in the log Interested in switching release channels? Find out how If you find a new issue, please let us know by filing a bug The community help forum is also a great plac ...