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CVE-2023-2133

27
FAUCET Score

CVE-2023-2133 is a high-severity out-of-bounds memory access vulnerability in the Service Worker API of Google Chrome, affecting versions prior to 112.0.5615.137, as well as various Debian and Fedora distributions. This flaw allows a remote attacker to potentially achieve heap corruption by tricking a user into visiting a specially crafted HTML page. With a CVSS score of 8.8, the vulnerability has a high impact on confidentiality, integrity, and availability, requiring user interaction but with low attack complexity. While not currently listed in CISA's KEV catalog or having public exploit code, it has garnered significant community discussion and media coverage, indicating notable attention from the security community.

Impacted Technologies

VendorProductVersion(s)CPE
< 112.0.5615.137CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
37CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
38CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.06%
Probability of exploitation in next 30 days
EPSS Percentile
61.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0106 is in the 61st percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 (2)

microsoftpatch availablevia msrc
Product: Microsoft Edge (Chromium-based)Fixed in: 112.0.1722.58
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2023-Apr/CVE-2023-2133

Chromium: CVE-2023-2133 Out of bounds memory access in Service Worker API

Apr 11, 2023

References

chromereleases.googleblog.com / 2023/04/stable-channel-update-for-desktop_18.html
Release NotesVendor Advisory
crbug.com / 1429197
Issue TrackingThird Party Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/4AOSGAOPXLBK4A5ZRTVZ4M6QKVLSWMWG
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/ES2CDRHR2Y4WY6DNDIAPYZFXJU3ZBFAV
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/FEJZMAUB4XP44HSHEBDWEKFGA7DUHY42
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/IHHD6KNH4WLUE6JG6HRQZWNAJMHJ32X7
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/RJQI63HWZFL6M26Q6UOHKDY6LD2PFC5Z
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/SLO7BL2MHZYPY6O3OAEAQL3SKYMGGO6M
Mailing List
security.gentoo.org / glsa/202309-17
Third Party Advisory
debian.org / security/2023/dsa-5393
Third Party Advisory