Type Confusion in V8 in Google Chrome prior to 122.0.6261.94 allowed a remote attacker to potentially exploit heap corruption via a crafted…

published 2024-02-29 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-17661

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.4%; EPSS 2.4% chance of exploitation in 30 days, percentile 83%
public exploits: 0; none known

Type Confusion in V8 in Google Chrome prior to 122.0.6261.94 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Patch / fix

fixed in 1 distros 1

google v8 122.0.6261.94

chromium Debian 12 122.0.6261.94-1~deb12u1
chromium Debian 14, Debian 13 122.0.6261.94-1

debian advisories DEBIAN-CVE-2024-1939

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-1939 updated 2025-11-21

chromium: type confusion

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-08-27)

Exploit prediction

2.35% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

issues.chromium.org https://issues.chromium.org/issues/323694592 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Google Chrome
google v8

Classification

Weakness

CWE-843 Access of Resource Using Incompatible Type

Technology feeds

Google Chrome rss critical rss

References

issues.chromium.org /issues/323694592
exploit, issue-tracking
chromereleases.googleblog.com /2024/02/stable-channel-update-for-desktop_27.html
release-notes
lists.fedoraproject.org /archives/list/package-announce@lists.fedoraproject.org/message/L6KJCEJWJR5Z54Z75LRJGELDNMFDKLZG/
mailing-list
lists.fedoraproject.org /archives/list/package-announce@lists.fedoraproject.org/message/FGWSP5MIK7CDWJQHN2SJJX2YGSSS7E4O/
mailing-list
lists.fedoraproject.org /archives/list/package-announce@lists.fedoraproject.org/message/YTGM2WHYSZAUUPENB7YO6E5ONAKE6AKJ/
mailing-list

Sources

CVE List CVE-2024-1939
NVD CVE-2024-1939

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary