CVE-2020-6831: Buffer Overflow
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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debian/chromiumto a version that resolves this vulnerability.Fixed in 120.0.6099.224-1~deb11u1Fixed in 128.0.6613.84-1~deb12u1Fixed in 128.0.6613.137-1~deb12u1Fixed in 128.0.6613.113-1~deb13u1Fixed in 128.0.6613.137-1 - Upgrade
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debian/firefoxto a version that resolves this vulnerability.Fixed in 130.0-2 - Upgrade
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debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.14.0esr-1~deb11u1Fixed in 115.15.0esr-1~deb11u1Fixed in 115.14.0esr-1~deb12u1Fixed in 115.15.0esr-1~deb12u1Fixed in 115.15.0esr-1 - Upgrade
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debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.12.0-1~deb11u1Fixed in 1:115.15.0-1~deb11u1Fixed in 1:115.12.0-1~deb12u1Fixed in 1:115.15.0-1~deb12u1Fixed in 1:128.1.1esr-1Fixed in 1:128.2.0esr-1 - Upgrade
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Thunderbirdto a version that resolves this vulnerability.Fixed in 68.8 - Upgrade
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Firefoxto a version that resolves this vulnerability.Fixed in 76 - Upgrade
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Firefox ESRto a version that resolves this vulnerability.Fixed in 68.8 - Upgrade
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Google Chrome (Trace Event)to a version that resolves this vulnerability.Fixed in 81.0.4044.138 - Upgrade
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alpine/firefoxto a version that resolves this vulnerability.Fixed in 76.0-r0 - Upgrade
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alpine/firefox-esrto a version that resolves this vulnerability.Fixed in 68.8.0-r0 - Upgrade
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alpine/librewolfto a version that resolves this vulnerability.Fixed in 76.0-r0 - Upgrade
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alpine/mozjs68to a version that resolves this vulnerability.Fixed in 68.8.0-r0 - Upgrade
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alpine/thunderbirdto a version that resolves this vulnerability.Fixed in 68.8.0-r0
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the vulnerability CVE-2020-6831 about?
CVE-2020-6831 is a buffer overflow vulnerability that can occur when parsing SCTP chunks in WebRTC, potentially leading to memory corruption and crashes.
What are the affected software versions for CVE-2020-6831?
Affected software versions for CVE-2020-6831 include Firefox ESR versions up to 68.8, Thunderbird versions up to 68.8, and Firefox versions up to 76.
How do I fix CVE-2020-6831?
To fix CVE-2020-6831, update affected applications to the latest versions provided by Mozilla or your corresponding package manager.
What are the potential impacts of CVE-2020-6831?
The potential impacts of CVE-2020-6831 include memory corruption and the possibility of crashes which could be exploited to execute arbitrary code.
Is CVE-2020-6831 a serious vulnerability?
Yes, CVE-2020-6831 is considered a serious vulnerability due to its ability to cause memory corruption and crashes in affected applications.