CVE-2024-0749

14

FAUCET Score

CVE-2024-0749 describes a phishing vulnerability in Mozilla Firefox (versions prior to 122) and Thunderbird (versions prior to 115.7) where a malicious site could display phishing content within an "about:" dialog, misleading users by showing an incorrect origin in the address bar. This is a medium-severity vulnerability (CVSS 4.3) with a low impact on integrity, requiring user interaction but no special privileges. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 122.0CPE matchmatch criteria	cpe:2.3:a:mozilla:firefox::::::::
		< 115.7CPE matchmatch criteria	cpe:2.3:a:mozilla:firefox_esr::::::::
		< 115.7CPE matchmatch criteria	cpe:2.3:a:mozilla:thunderbird::::::::
		10.0CPE matchmatch criteria	cpe:2.3:o:debian:debian_linux:10.0:::::::*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

1.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.33%

Probability of exploitation in next 30 days

EPSS Percentile

25.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0033 is in the 26th percentile among its peer group of 26,234 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (27)

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: thunderbird-0:115.7.0-1.el9_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: firefox-0:115.7.0-1.el7_9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: thunderbird-0:115.7.0-1.el7_9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: firefox-0:115.7.0-1.el8_9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: thunderbird-0:115.7.0-1.el8_9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: firefox-0:115.7.0-1.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: thunderbird-0:115.7.0-1.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceFixed in: firefox-0:115.7.0-1.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceFixed in: thunderbird-0:115.7.0-1.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsFixed in: firefox-0:115.7.0-1.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsFixed in: thunderbird-0:115.7.0-1.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: firefox-0:115.7.0-1.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: thunderbird-0:115.7.0-1.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: firefox-0:115.7.0-1.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: thunderbird-0:115.7.0-1.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsFixed in: firefox-0:115.7.0-1.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsFixed in: thunderbird-0:115.7.0-1.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: firefox-0:115.7.0-1.el8_6

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: thunderbird-0:115.7.0-1.el8_6

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: firefox-0:115.7.0-1.el8_8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: thunderbird-0:115.7.0-1.el8_8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: thunderbird-0:115.7.0-1.el9_3

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: firefox-0:115.7.0-1.el9_3

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: firefox-0:115.7.0-1.el9_0

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: thunderbird-0:115.7.0-1.el9_0

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: firefox-0:115.7.0-1.el9_2

mozillavendor investigatingvia nvd_reference

Vendor Advisories (1)

redhatCVE-2024-0749Moderate

Mozilla: Phishing site popup could show local origin in address bar

References

bugzilla.mozilla.org / show_bug.cgi

Issue TrackingPermissions Required

lists.debian.org / debian-lts-announce/2024/01/msg00015.html

Mailing ListThird Party Advisory

lists.debian.org / debian-lts-announce/2024/01/msg00022.html

Mailing ListThird Party Advisory

mozilla.org / security/advisories/mfsa2024-01

Release NotesVendor Advisory

mozilla.org / security/advisories/mfsa2024-04

Release NotesVendor Advisory