CVE-2020-26961
See a problem?- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-26961
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-26961.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-26961
- Related
- Published
- 2020-12-09T01:15:13Z
- Modified
- 2024-09-11T02:00:05Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding attack. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
- References
Affected packages
Debian:11 / firefox-esr
Package
- Name
- firefox-esr
- Purl
- pkg:deb/debian/firefox-esr?arch=source
Debian:12 / firefox-esr
Package
- Name
- firefox-esr
- Purl
- pkg:deb/debian/firefox-esr?arch=source
Debian:13 / firefox-esr
Package
- Name
- firefox-esr
- Purl
- pkg:deb/debian/firefox-esr?arch=source
Debian:11 / thunderbird
Package
- Name
- thunderbird
- Purl
- pkg:deb/debian/thunderbird?arch=source
Debian:12 / thunderbird
Package
- Name
- thunderbird
- Purl
- pkg:deb/debian/thunderbird?arch=source
Debian:13 / thunderbird
Package
- Name
- thunderbird
- Purl
- pkg:deb/debian/thunderbird?arch=source