CVE-2024-0749

MEDIUM

Published Jan 23, 2024 Modified May 22, 2025 CWE-346

Description

A phishing site could have repurposed an `about:` dialog to show phishing content with an incorrect origin in the address bar. This vulnerability affects Firefox < 122 and Thunderbird < 115.7.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-346 CWE-346

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 122.0
mozilla	firefox_esr	< 115.7
mozilla	thunderbird	< 115.7
debian	debian_linux	All

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-01/ https://www.mozilla.org/security/advisories/mfsa2024-04/ https://www.mozilla.org/security/advisories/mfsa2024-01/ https://www.mozilla.org/security/advisories/mfsa2024-04/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1813463 https://lists.debian.org/debian-lts-announce/2024/01/msg00015.html https://lists.debian.org/debian-lts-announce/2024/01/msg00022.html https://bugzilla.mozilla.org/show_bug.cgi?id=1813463 https://lists.debian.org/debian-lts-announce/2024/01/msg00015.html https://lists.debian.org/debian-lts-announce/2024/01/msg00022.html

Frequently Asked Questions

What is CVE-2024-0749? +

A phishing site could have repurposed an `about:` dialog to show phishing content with an incorrect origin in the address bar. This vulnerability affects Firefox < 122 and Thunderbird < 115.7. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2024-0749? +

CVE-2024-0749 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-0749? +

CVE-2024-0749 affects products from debian, mozilla, specifically: debian_linux, firefox, firefox_esr, thunderbird. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-0749? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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Quick Facts

CVSS Score: 4.3
Severity: MEDIUM
Published: Jan 23, 2024

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