Vulnerability in Mozilla Firefox
CVE-2023-5722
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.
EPSS: 0.006 (46.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
References
- security@mozilla.org (Issue Tracking, Vendor Advisory)
- security@mozilla.org (Vendor Advisory)
- security@mozilla.org
Frequently asked questions
- What is CVE-2023-5722?
- CVE-2023-5722 is a medium-severity vulnerability in Mozilla Firefox, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2023-10-25.
- How severe is CVE-2023-5722?
- Medium severity. CVSS v3 base score is 5.3 out of 10.