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CVE-2024-0754

18
FAUCET Score

CVE-2024-0754 describes a medium-severity vulnerability in Mozilla Firefox versions prior to 122, where malformed WASM source files could lead to a browser crash when loaded in developer tools. The attack requires user interaction (UI:R) and has a low attack complexity (AC:L), but does not result in confidentiality or integrity compromise, only availability (A:H). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 122CPE match
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 122.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
34.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 36th percentile among its peer group of 26,234 CVEs.

Social Chatter

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

Vendor Patches (1)

mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (2)

redhatCVE-2024-0754Low

firefox: WASM source files could have caused a crash when loaded in devtools

Jan 23, 2024
microsoft2024-Jan/CVE-2024-0754Moderate

Some WASM source files could have caused a crash when loaded in devtools. This vulnerability affects Firefox < 122.

Jan 9, 2024

References

bugzilla.mozilla.org / show_bug.cgi
Issue TrackingPermissions Required
mozilla.org / security/advisories/mfsa2024-01
Release NotesVendor Advisory