CVE-2023-5722
MEDIUMFirefox < 119.0 - Information Disclosure via Opaque Response Size and Vary Header
Title source: llmDescription
Using iterative requests an attacker was able to learn the size of an opaque response, as well as the contents of a server-supplied Vary header. This vulnerability affects Firefox < 119.
References (3)
Core 3
Core References
Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1738426
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-45/
Third Party Advisory
https://security.gentoo.org/glsa/202401-10
Scores
CVSS v3
5.3
EPSS
0.0022
EPSS Percentile
43.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-203
Status
published
Products (1)
mozilla/firefox
< 119.0
Published
Oct 25, 2023
Tracked Since
Feb 18, 2026