What’s Vulnerable › Vulnerabilities

CVE-2022-42929

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-22 · updated 2026-06-17
• Weakness: CWE-400

Description

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.

Affected products

• Mozilla Firefox: before 106.0 — fixed in 106.0
• Mozilla Firefox ESR: before 102.4 — fixed in 102.4
• Mozilla Thunderbird: before 102.4 — fixed in 102.4

How to fix

Upgrade to a fixed version: Mozilla Firefox 106.0; Mozilla Firefox ESR 102.4; Mozilla Thunderbird 102.4. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1789439
• https://www.mozilla.org/security/advisories/mfsa2022-44/
• https://www.mozilla.org/security/advisories/mfsa2022-45/
• https://www.mozilla.org/security/advisories/mfsa2022-46/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1789439
• https://www.mozilla.org/security/advisories/mfsa2022-44/
• https://www.mozilla.org/security/advisories/mfsa2022-45/
• https://www.mozilla.org/security/advisories/mfsa2022-46/

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