What’s Vulnerable › Vulnerabilities

CVE-2024-0742

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-23 · updated 2026-06-17

Description

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an incorrect timestamp used to prevent input after page load. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

Affected products

• Debian Linux: 10.0
• Mozilla Firefox: before 122.0 — fixed in 122.0
• Mozilla Firefox ESR: before 115.7 — fixed in 115.7
• Mozilla Thunderbird: before 115.7 — fixed in 115.7

How to fix

Upgrade to a fixed version: Mozilla Firefox 122.0; Mozilla Firefox ESR 115.7; Mozilla Thunderbird 115.7. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1867152
• https://lists.debian.org/debian-lts-announce/2024/01/msg00015.html
• https://lists.debian.org/debian-lts-announce/2024/01/msg00022.html
• https://www.mozilla.org/security/advisories/mfsa2024-01/
• https://www.mozilla.org/security/advisories/mfsa2024-02/
• https://www.mozilla.org/security/advisories/mfsa2024-04/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1867152
• https://lists.debian.org/debian-lts-announce/2024/01/msg00015.html
• https://lists.debian.org/debian-lts-announce/2024/01/msg00022.html
• https://www.mozilla.org/security/advisories/mfsa2024-01/
• https://www.mozilla.org/security/advisories/mfsa2024-02/
• https://www.mozilla.org/security/advisories/mfsa2024-04/

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