Vulnerability CVE-2023-6209
Published: 2023-11-21

Description:
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 < 115.5, and Thunderbird < 115.5.0.

 References:
https://bugzilla.mozilla.org/show_bug.cgi?id=1858570
https://www.mozilla.org/security/advisories/mfsa2023-49/
https://www.mozilla.org/security/advisories/mfsa2023-50/
https://www.mozilla.org/security/advisories/mfsa2023-52/
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