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CVE-2024-0808

27
FAUCET Score

CVE-2024-0808 is a critical integer underflow vulnerability in Google Chrome's WebUI, affecting versions prior to 121.0.6167.85, as well as various Debian and Fedora distributions. This flaw allows a remote attacker to potentially trigger heap corruption through a malicious file. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
>= 121.0.6167.85, < 121.0.6167.85CPE match
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
< 121.0.6167.85CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
38CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
39CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.55%
Probability of exploitation in next 30 days
EPSS Percentile
42.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0055 is in the 22nd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc
Product: Microsoft Edge (Chromium-based)Fixed in: 121.0.2277.83
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2024-Jan/CVE-2024-0808

Chromium: CVE-2024-0808 Integer underflow in WebUI

Jan 9, 2024

References

chromereleases.googleblog.com / 2024/01/stable-channel-update-for-desktop_23.html
Release NotesVendor Advisory
crbug.com / 1504936
Permissions Required
lists.fedoraproject.org / archives/list/[email protected]/message/MMI6GXFONZV6HE3BPZO3AP6GUVQLG4JQ
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/VXDSGAFQD4BDB4IB2O4ZUSHC3JCVQEKC
Mailing ListThird Party Advisory