high
8.8
CWE
416 787
Advisory Published
CVE Published
Updated

CVE-2020-15969: Use after free in WebRTC

First published: Thu Sep 03 2020(Updated: )

A use-after-free bug in the usersctp library was reported upstream. We assume this could have led to memory corruption and a potentially exploitable crash.

Credit: an anonymous researcher an anonymous researcher chrome-cve-admin@google.com an anonymous researcher an anonymous researcher an anonymous researcher Anonymous

Affected SoftwareAffected VersionHow to fix
debian/chromium
90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1
120.0.6099.129-1~deb11u1
119.0.6045.199-1~deb12u1
120.0.6099.129-1~deb12u1
120.0.6099.129-1
debian/firefox
121.0-2
debian/firefox-esr
91.12.0esr-1~deb10u1
115.6.0esr-1~deb10u1
102.15.0esr-1~deb11u1
115.6.0esr-1~deb11u1
115.5.0esr-1~deb12u1
115.6.0esr-1~deb12u1
115.6.0esr-1
debian/thunderbird
1:91.12.0-1~deb10u1
1:115.6.0-1~deb10u1
1:102.13.1-1~deb11u1
1:115.6.0-1~deb11u1
1:115.5.0-1~deb12u1
1:115.6.0-1~deb12u1
1:115.6.0-1
Mozilla Firefox ESR<78.4
78.4
Mozilla Thunderbird<78.4
78.4
Mozilla Firefox<82
82
tvOS<14.3
14.3
Google Chrome<86.0.4240.75
86.0.4240.75
Apple macOS<11.1
11.1
macOS Catalina
macOS Mojave
Apple Mobile Safari<14.0.2
14.0.2
Apple iOS, iPadOS, and watchOS<14.3
14.3
Apple iOS, iPadOS, and watchOS<14.3
14.3
Apple iOS, iPadOS, and watchOS<7.2
7.2
Google Chrome<86.0.4240.75
Debian=10.0
Fedora=31
Fedora=32
Fedora=33
openSUSE Backports=15.0-sp2
Apple Mobile Safari<14.0.2
Apple iOS, iPadOS, and watchOS<14.3
iOS<14.3
Apple iOS and macOS<11.1
tvOS<14.3
Apple iOS, iPadOS, and watchOS<7.2

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2020-15969?

    CVE-2020-15969 is a use-after-free issue in the WebRTC usersctp library.

  • What is the severity of CVE-2020-15969?

    CVE-2020-15969 has a severity rating of high (7).

  • Which products are affected by CVE-2020-15969?

    CVE-2020-15969 affects Apple macOS Big Sur (up to version 11.1), Apple Catalina, Apple Mojave, Mozilla Firefox (up to version 82), Apple iOS (up to version 14.3), Apple iPadOS (up to version 14.3), Apple Safari (up to version 14.0.2), Apple watchOS (up to version 7.2), Apple tvOS (up to version 14.3), Mozilla Thunderbird (up to version 78.4), and Mozilla Firefox ESR (up to version 78.4).

  • How can CVE-2020-15969 be fixed?

    To fix CVE-2020-15969, users should update their affected software to the latest available version provided by the respective vendors.

  • Where can I find more information about CVE-2020-15969?

    You can find more information about CVE-2020-15969 on the following references: [Mozilla Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1666570), [usrsctp Commit](https://github.com/sctplab/usrsctp/commit/ffed0925f27d404173c1e3e750d818f432d2c019), [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2020-45/).

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