CVE-2023-2033

Exp

Type confusion in V8 in Google Chrome prior to 112.0.5615.121 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Published: 2023-04-14 Last update: 2025-10-24 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-2033 is rated Critical Active Threat (94.8/100): CVSS High severity, with high exploitation likelihood (EPSS 22.79%, 96th percentile). CISA KEV confirms active exploitation (added 2023-04-17) affecting Google / Chromium V8. a weakness (CWE-843) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2023-2033

Name: Google Chromium V8 Type Confusion Vulnerability · CISA KEV detail

Exploit added: 2023-04-17

Action due: 2023-05-08

Required action: Apply updates per vendor instructions.

Exploit prediction scoring system (EPSS) score for CVE-2023-2033

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-06 21.79% 22.79% +1.00%
2 2026-05-02 25.18% 21.79% -3.39%
3 2026-04-16 — 25.18% —

Full EPSS history (92 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-2033

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2023-2033

OS Trackers for CVE-2023-2033

vendor priority summary link
alpine — CVE-2023-2033: 1 source package rows (qt5-qtwebengine); 7 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 0. https://security.alpinelinux.org/vuln/CVE-2023-2033
debian not yet assigned CVE-2023-2033 not yet assigned priority: Debian including 1 source packages (chromium), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2023-2033
gentoo high CVE-2023-2033: 1 GLSA(s) (202309-17), 4 atom(s) (www-client/chromium, www-client/chromium-bin, www-client/google-chrome, www-client/microsoft-edge); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-2033
ubuntu high CVE-2023-2033 high priority: Ubuntu including 1 source packages (chromium-browser), 8 status rows across 8 suites (bionic, focal, jammy, kinetic, lunar, trusty, upstream, xenial): ignored 3, not-affected 3, DNE 1, released 1. https://ubuntu.com/security/CVE-2023-2033

Affected software / configurations for CVE-2023-2033

Vendor Product Version Raw CPE
google chrome < 112.0.5615.121 cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
debian debian_linux 11.0 cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
fedoraproject fedora 36 cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
fedoraproject fedora 37 cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
fedoraproject fedora 38 cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
couchbase couchbase_server < 7.1.5 cpe:2.3:a:couchbase:couchbase_server:*:*:*:*:*:*:*:*
couchbase couchbase_server 7.2.0 cpe:2.3:a:couchbase:couchbase_server:7.2.0:*:*:*:*:*:*:*

References for CVE-2023-2033

URL Tags
https://chromereleases.googleblog.com/2023/04/stable-channel-update-for-desktop_14.html Release Notes Vendor Advisory
https://crbug.com/1432210 Permissions Required
https://lists.fedoraproject.org/archives/list/[email protected]/message/4AOSGAOPXLBK4A5ZRTVZ4M6QKVLSWMWG/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/ES2CDRHR2Y4WY6DNDIAPYZFXJU3ZBFAV/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/FEJZMAUB4XP44HSHEBDWEKFGA7DUHY42/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/IHHD6KNH4WLUE6JG6HRQZWNAJMHJ32X7/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/RJQI63HWZFL6M26Q6UOHKDY6LD2PFC5Z/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/SLO7BL2MHZYPY6O3OAEAQL3SKYMGGO6M/ Mailing List
https://security.gentoo.org/glsa/202309-17 Third Party Advisory
https://www.couchbase.com/alerts/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5390 Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-2033 US Government Resource
cvelogic Threat Intelligence