Resource exhaustion in Mozilla Firefox
CVE-2022-42929
If a website called `window.print()` in a particular way, it could cause a denial of service of the browser, which may persist beyond browser restart depending on the user's session restore settings. This vulnerability affects Firefox < 106, Firefox ESR < 102.4, and Thunderbird < 102.4.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox Esr
- Mozilla Thunderbird — versions unspecified
Weakness classification (CWE)
References
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking)
- www.mozilla.org/security/advisories/mfsa2022-44/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2022-45/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2022-46/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-42929?
- CVE-2022-42929 is a medium-severity vulnerability in Mozilla Firefox, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2022-12-22.
- How severe is CVE-2022-42929?
- Medium severity. CVSS v3 base score is 6.5 out of 10.