CVE-2023-6209
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-6209
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-6209.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2023-6209
- Downstream
- Related
- Published
- 2023-11-21T15:15:07Z
- Modified
- 2025-07-01T15:23:06.510734Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host. This could contribute to security problems in web sites. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
- References
-
- https://www.debian.org/security/2023/dsa-5561
- https://www.mozilla.org/security/advisories/mfsa2023-49/
- https://www.mozilla.org/security/advisories/mfsa2023-50/
- https://www.mozilla.org/security/advisories/mfsa2023-52/
- https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1858570
- https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html
- https://security-tracker.debian.org/tracker/CVE-2023-6209
Affected packages
Debian:11 / firefox-esr
Package
- Name
- firefox-esr
- Purl
- pkg:deb/debian/firefox-esr?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed115.5.0esr-1~deb11u1
Affected versions
78.*
78.12.0esr-1
78.13.0esr-1~deb9u1
78.13.0esr-1~deb10u1
78.13.0esr-1~deb11u1
78.13.0esr-1
78.14.0esr-1~deb9u1
78.14.0esr-1~deb10u1
78.14.0esr-1~deb11u1
78.14.0esr-1
78.15.0esr-1~deb9u1
78.15.0esr-1~deb10u1
78.15.0esr-1~deb11u1
91.*
91.0esr-1
91.0.1esr-1
91.1.0esr-1
91.2.0esr-1
91.3.0esr-1
91.3.0esr-2
91.4.0esr-1
91.4.1esr-1~deb9u1
91.4.1esr-1~deb11u1
91.5.0esr-1~deb9u1
91.5.0esr-1~deb10u1
91.5.0esr-1~deb11u1
91.5.0esr-1
91.5.1esr-1
91.6.0esr-1~deb9u1
91.6.0esr-1~deb10u1
91.6.0esr-1~deb11u1
91.6.0esr-1
91.6.1esr-1~deb9u1
91.6.1esr-1~deb10u1
91.6.1esr-1~deb11u1
91.6.1esr-1
91.7.0esr-1~deb9u1
91.7.0esr-1~deb10u1
91.7.0esr-1~deb11u1
91.7.0esr-1
91.8.0esr-1~deb9u1
91.8.0esr-1~deb10u1
91.8.0esr-1~deb11u1
91.8.0esr-1
91.9.0esr-1~deb9u1
91.9.0esr-1~deb10u1
91.9.0esr-1~deb11u1
91.9.0esr-1
91.9.1esr-1~deb9u1
91.9.1esr-1~deb10u1
91.9.1esr-1~deb11u1
91.9.1esr-1
91.10.0esr-1~deb9u1
91.10.0esr-1~deb10u1
91.10.0esr-1~deb11u1
91.10.0esr-1
91.11.0esr-1~deb9u1
91.11.0esr-1~deb10u1
91.11.0esr-1~deb11u1
91.11.0esr-1
91.12.0esr-1~deb10u1
91.12.0esr-1~deb11u1
91.12.0esr-1
91.13.0esr-1~deb10u1
91.13.0esr-1~deb11u1
102.*
102.1.0esr-1
102.1.0esr-2
102.2.0esr-1
102.3.0esr-1~deb10u1
102.3.0esr-1~deb10u2
102.3.0esr-1~deb11u1
102.3.0esr-1
102.4.0esr-1~deb10u1
102.4.0esr-1~deb11u1
102.4.0esr-1
102.5.0esr-1~deb10u1
102.5.0esr-1~deb11u1
102.5.0esr-1
102.6.0esr-1~deb10u1
102.6.0esr-1~deb11u1
102.6.0esr-1
102.7.0esr-1~deb10u1
102.7.0esr-1~deb11u1
102.7.0esr-1
102.8.0esr-1~deb10u1
102.8.0esr-1~deb11u1
102.8.0esr-1
102.9.0esr-1~deb10u1
102.9.0esr-1~deb11u1
102.9.0esr-1
102.9.0esr-2
102.10.0esr-1~deb10u1
102.10.0esr-1~deb11u1
102.10.0esr-1
102.11.0esr-1~deb10u1
102.11.0esr-1~deb11u1
102.11.0esr-1
102.12.0esr-1~deb10u1
102.12.0esr-1~deb11u1
102.12.0esr-1~deb12u1
102.12.0esr-1
102.13.0esr-1~deb10u1
102.13.0esr-1~deb11u1
102.13.0esr-1~deb12u1
102.13.0esr-1
102.14.0esr-1~deb10u1
102.14.0esr-1~deb11u1
102.14.0esr-1~deb12u1
102.15.0esr-1~deb10u1
102.15.0esr-1~deb11u1
102.15.0esr-1~deb12u1
102.15.1esr-1~deb10u1
102.15.1esr-1~deb11u1
102.15.1esr-1~deb12u1
115.*
115.0.2esr-1
115.1.0esr-1
115.2.0esr-1
115.2.1esr-1
115.3.0esr-1~deb10u1
115.3.0esr-1~deb11u1
115.3.0esr-1~deb12u1
115.3.0esr-1
115.3.1esr-1~deb10u1
115.3.1esr-1~deb11u1
115.4.0esr-1~deb10u1
115.4.0esr-1~deb11u1
115.4.0esr-1~deb12u1
115.4.0esr-1
115.5.0esr-1~deb10u1
Debian:12 / firefox-esr
Package
- Name
- firefox-esr
- Purl
- pkg:deb/debian/firefox-esr?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed115.5.0esr-1~deb12u1
Affected versions
102.*
102.11.0esr-1
102.12.0esr-1~deb10u1
102.12.0esr-1~deb11u1
102.12.0esr-1~deb12u1
102.12.0esr-1
102.13.0esr-1~deb10u1
102.13.0esr-1~deb11u1
102.13.0esr-1~deb12u1
102.13.0esr-1
102.14.0esr-1~deb10u1
102.14.0esr-1~deb11u1
102.14.0esr-1~deb12u1
102.15.0esr-1~deb10u1
102.15.0esr-1~deb11u1
102.15.0esr-1~deb12u1
102.15.1esr-1~deb10u1
102.15.1esr-1~deb11u1
102.15.1esr-1~deb12u1
115.*
115.0.2esr-1
115.1.0esr-1
115.2.0esr-1
115.2.1esr-1
115.3.0esr-1~deb10u1
115.3.0esr-1~deb11u1
115.3.0esr-1~deb12u1
115.3.0esr-1
115.3.1esr-1~deb10u1
115.3.1esr-1~deb11u1
115.4.0esr-1~deb10u1
115.4.0esr-1~deb11u1
115.4.0esr-1~deb12u1
115.4.0esr-1
115.5.0esr-1~deb10u1
115.5.0esr-1~deb11u1
Debian:13 / firefox-esr
Package
- Name
- firefox-esr
- Purl
- pkg:deb/debian/firefox-esr?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed115.5.0esr-1
Affected versions
102.*
102.11.0esr-1
102.12.0esr-1~deb10u1
102.12.0esr-1~deb11u1
102.12.0esr-1~deb12u1
102.12.0esr-1
102.13.0esr-1~deb10u1
102.13.0esr-1~deb11u1
102.13.0esr-1~deb12u1
102.13.0esr-1
102.14.0esr-1~deb10u1
102.14.0esr-1~deb11u1
102.14.0esr-1~deb12u1
102.15.0esr-1~deb10u1
102.15.0esr-1~deb11u1
102.15.0esr-1~deb12u1
102.15.1esr-1~deb10u1
102.15.1esr-1~deb11u1
102.15.1esr-1~deb12u1
115.*
115.0.2esr-1
115.1.0esr-1
115.2.0esr-1
115.2.1esr-1
115.3.0esr-1~deb10u1
115.3.0esr-1~deb11u1
115.3.0esr-1~deb12u1
115.3.0esr-1
115.3.1esr-1~deb10u1
115.3.1esr-1~deb11u1
115.4.0esr-1~deb10u1
115.4.0esr-1~deb11u1
115.4.0esr-1~deb12u1
115.4.0esr-1
115.5.0esr-1~deb10u1
115.5.0esr-1~deb11u1
115.5.0esr-1~deb12u1
Debian:11 / thunderbird
Package
- Name
- thunderbird
- Purl
- pkg:deb/debian/thunderbird?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1:115.5.0-1~deb11u1
Affected versions
1:78.*
1:78.12.0-1
1:78.13.0-1~deb9u1
1:78.13.0-1~deb10u1
1:78.13.0-1~deb11u1
1:78.13.0-1
1:78.14.0-1~deb9u1
1:78.14.0-1~deb10u1
1:78.14.0-1~deb11u1
1:78.14.0-1
1:84.*
1:84.0~b3-1
1:85.*
1:85.0~b3-1
1:86.*
1:86.0~b3-1
1:88.*
1:88.0~b2-1
1:89.*
1:89.0~b2-1
1:90.*
1:90.0~b2-1
1:91.*
1:91.0~b1-1
1:91.0~b3-1
1:91.0~b5-1
1:91.0-1
1:91.0.2-1
1:91.1.0-1
1:91.1.1-1
1:91.2.0-1
1:91.2.1-1
1:91.3.0-1
1:91.3.2-1
1:91.4.0-1
1:91.4.1-1~deb9u1
1:91.4.1-1~deb10u1
1:91.4.1-1~deb11u1
1:91.4.1-1
1:91.5.0-1~deb9u1
1:91.5.0-1
1:91.5.0-2~deb10u1
1:91.5.0-2~deb11u1
1:91.5.0-2
1:91.5.1-1
1:91.6.0-1~deb9u1
1:91.6.0-1~deb10u1
1:91.6.0-1~deb11u1
1:91.6.0-1
1:91.6.1-1~deb9u1
1:91.6.1-1~deb10u1
1:91.6.1-1~deb11u1
1:91.6.1-1
1:91.6.2-1~deb9u1
1:91.6.2-1~deb10u1
1:91.6.2-1~deb11u1
1:91.6.2-1
1:91.7.0-1
1:91.7.0-2~deb9u1
1:91.7.0-2~deb10u1
1:91.7.0-2~deb11u1
1:91.7.0-2
1:91.8.0-1~deb9u1
1:91.8.0-1~deb10u1
1:91.8.0-1~deb11u1
1:91.8.0-1
1:91.8.1-1
1:91.9.0-1~deb9u1
1:91.9.0-1~deb10u1
1:91.9.0-1~deb11u1
1:91.9.0-1
1:91.10.0-1~deb9u1
1:91.10.0-1~deb10u1
1:91.10.0-1~deb11u1
1:91.10.0-1
1:91.11.0-1~deb10u1
1:91.11.0-1~deb11u1
1:91.11.0-1
1:91.12.0-1~deb10u1
1:91.12.0-1~deb11u1
1:91.13.0-1~deb10u1
1:91.13.0-1~deb11u1
1:102.*
1:102.0~b4-1
1:102.0~b7-1
1:102.0.1-1
1:102.0.2-1
1:102.1.0-1
1:102.1.1-1
1:102.1.2-1
1:102.2.0-1
1:102.2.1-1
1:102.2.2-1
1:102.3.0-1~deb10u1
1:102.3.0-1~deb11u1
1:102.3.0-1
1:102.3.1-1
1:102.3.2-1
1:102.3.3-1
1:102.4.0-1~deb10u1
1:102.4.0-1~deb11u1
1:102.4.0-1
1:102.4.1-1
1:102.5.0-1~deb10u1
1:102.5.0-1~deb11u1
1:102.5.0-1
1:102.5.1-1
1:102.6.0-1~deb10u1
1:102.6.0-1~deb11u1
1:102.6.0-1
1:102.7.1-1
1:102.7.1+1-1
1:102.7.2-1
1:102.8.0-1~deb10u1
1:102.8.0-1~deb11u1
1:102.8.0-1
1:102.9.0-1~deb10u1
1:102.9.0-1~deb11u1
1:102.9.0-1
1:102.9.1-1
1:102.10.0-1~deb10u1
1:102.10.0-1~deb11u1
1:102.10.0-1
1:102.11.0-1~deb10u1
1:102.11.0-1~deb11u1
1:102.11.0-1
1:102.12.0-1~deb10u1
1:102.12.0-1~deb11u1
1:102.12.0-1~deb12u1
1:102.12.0-1
1:102.13.0-1~deb10u1
1:102.13.0-1~deb11u1
1:102.13.0-1~deb12u1
1:102.13.0-1
1:102.13.1-1~deb10u1
1:102.13.1-1~deb11u1
1:102.13.1-1~deb12u1
1:102.13.1-1
1:102.14.0-1~deb10u1
1:102.14.0-1~deb11u1
1:102.14.0-1~deb12u1
1:102.15.0-1~deb10u1
1:102.15.0-1~deb11u1
1:102.15.0-1~deb12u1
1:102.15.1-1~deb10u1
1:102.15.1-1~deb11u1
1:102.15.1-1~deb12u1
1:103.*
1:103.0~b5-1
1:104.*
1:104.0~b2-1
1:110.*
1:110.0~b4-1
1:112.*
1:112.0~b1-1
1:113.*
1:113.0~b3-1
1:114.*
1:114.0~b2-1
1:115.*
1:115.0~b4-1
1:115.0~b6-1
1:115.0-1
1:115.0.1-1
1:115.0.1-2
1:115.1.0-1
1:115.1.1-1
1:115.2.0-1
1:115.2.2-1
1:115.3.0-1~deb12u1
1:115.3.0-1
1:115.3.1-1~deb10u1
1:115.3.1-1~deb11u1
1:115.3.1-1~deb12u1
1:115.3.1-1
1:115.4.1-1~deb10u1
1:115.4.1-1~deb11u1
1:115.4.1-1~deb12u1
1:115.4.1-1
1:115.5.0-1~deb10u1
Debian:12 / thunderbird
Package
- Name
- thunderbird
- Purl
- pkg:deb/debian/thunderbird?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1:115.5.0-1~deb12u1
Affected versions
1:102.*
1:102.11.0-1
1:102.12.0-1~deb10u1
1:102.12.0-1~deb11u1
1:102.12.0-1~deb12u1
1:102.12.0-1
1:102.13.0-1~deb10u1
1:102.13.0-1~deb11u1
1:102.13.0-1~deb12u1
1:102.13.0-1
1:102.13.1-1~deb10u1
1:102.13.1-1~deb11u1
1:102.13.1-1~deb12u1
1:102.13.1-1
1:102.14.0-1~deb10u1
1:102.14.0-1~deb11u1
1:102.14.0-1~deb12u1
1:102.15.0-1~deb10u1
1:102.15.0-1~deb11u1
1:102.15.0-1~deb12u1
1:102.15.1-1~deb10u1
1:102.15.1-1~deb11u1
1:102.15.1-1~deb12u1
1:103.*
1:103.0~b5-1
1:104.*
1:104.0~b2-1
1:110.*
1:110.0~b4-1
1:112.*
1:112.0~b1-1
1:113.*
1:113.0~b3-1
1:114.*
1:114.0~b2-1
1:115.*
1:115.0~b4-1
1:115.0~b6-1
1:115.0-1
1:115.0.1-1
1:115.0.1-2
1:115.1.0-1
1:115.1.1-1
1:115.2.0-1
1:115.2.2-1
1:115.3.0-1~deb12u1
1:115.3.0-1
1:115.3.1-1~deb10u1
1:115.3.1-1~deb11u1
1:115.3.1-1~deb12u1
1:115.3.1-1
1:115.4.1-1~deb10u1
1:115.4.1-1~deb11u1
1:115.4.1-1~deb12u1
1:115.4.1-1
1:115.5.0-1~deb10u1
1:115.5.0-1~deb11u1
Debian:13 / thunderbird
Package
- Name
- thunderbird
- Purl
- pkg:deb/debian/thunderbird?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1:115.5.0-1
Affected versions
1:102.*
1:102.11.0-1
1:102.12.0-1~deb10u1
1:102.12.0-1~deb11u1
1:102.12.0-1~deb12u1
1:102.12.0-1
1:102.13.0-1~deb10u1
1:102.13.0-1~deb11u1
1:102.13.0-1~deb12u1
1:102.13.0-1
1:102.13.1-1~deb10u1
1:102.13.1-1~deb11u1
1:102.13.1-1~deb12u1
1:102.13.1-1
1:102.14.0-1~deb10u1
1:102.14.0-1~deb11u1
1:102.14.0-1~deb12u1
1:102.15.0-1~deb10u1
1:102.15.0-1~deb11u1
1:102.15.0-1~deb12u1
1:102.15.1-1~deb10u1
1:102.15.1-1~deb11u1
1:102.15.1-1~deb12u1
1:103.*
1:103.0~b5-1
1:104.*
1:104.0~b2-1
1:110.*
1:110.0~b4-1
1:112.*
1:112.0~b1-1
1:113.*
1:113.0~b3-1
1:114.*
1:114.0~b2-1
1:115.*
1:115.0~b4-1
1:115.0~b6-1
1:115.0-1
1:115.0.1-1
1:115.0.1-2
1:115.1.0-1
1:115.1.1-1
1:115.2.0-1
1:115.2.2-1
1:115.3.0-1~deb12u1
1:115.3.0-1
1:115.3.1-1~deb10u1
1:115.3.1-1~deb11u1
1:115.3.1-1~deb12u1
1:115.3.1-1
1:115.4.1-1~deb10u1
1:115.4.1-1~deb11u1
1:115.4.1-1~deb12u1
1:115.4.1-1
1:115.5.0-1~deb10u1
1:115.5.0-1~deb11u1
1:115.5.0-1~deb12u1