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CVE-2023-6345

78
FAUCET Score

CVE-2023-6345 is an integer overflow vulnerability in Skia, affecting Google Chrome versions prior to 119.0.6045.199, as well as Debian, Fedora, and Microsoft products. This critical vulnerability, with a CVSS score of 9.6, allows a remote attacker to achieve a sandbox escape via a malicious file if they have already compromised the renderer process, leading to high impacts on confidentiality, integrity, and availability. The vulnerability is actively exploited in the wild, as confirmed by its inclusion in CISA's KEV catalog, and has garnered significant community discussion and media coverage, despite no public exploit code being readily available.

Impacted Technologies

VendorProductVersion(s)CPE
>= 119.0.6045.199, < 119.0.6045.199CPE match
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
< 119.0.6045.199CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
37CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.6CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
19.63%
Probability of exploitation in next 30 days
EPSS Percentile
97.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 30, 2023
This CVE's current EPSS score of 0.1963 is in the 98th percentile among its peer group of 834 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

microsoftpatch availablevia msrc
Product: Microsoft Edge (Chromium-based)Fixed in: 119.0.2151.97

Vendor Advisories (1)

microsoft2023-Nov/CVE-2023-6345

Chromium: CVE-2023-6345 Integer overflow in Skia

Nov 14, 2023

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
chromereleases.googleblog.com / 2023/11/stable-channel-update-for-desktop_28.html
Release Notes
crbug.com / 1505053
Permissions Required
lists.fedoraproject.org / archives/list/[email protected]/message/6T7ABNYMOI4ZHVCSPCNP7HQTOLGF53A2
Broken LinkMailing List
lists.fedoraproject.org / archives/list/[email protected]/message/C7XQNYZZA3X2LBJF57ZHKXWOMJKNLZYR
Broken LinkMailing List
lists.fedoraproject.org / archives/list/[email protected]/message/UJROPNKWW65R34J4IYGTJ7A3OBPUL4IQ
Broken LinkMailing List
security.gentoo.org / glsa/202401-34
Third Party Advisory
debian.org / security/2023/dsa-5569
Mailing List