Known exploited vulnerability
CVE-2023-4762
The short answer
CVE-2023-4762 affects Google Chrome and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2024-02-06: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Type Confusion in V8 in Google Chrome prior to 116.0.5845.179 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
Weakness: CWE-843.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Feb 6, 2024
Federal due date Feb 27, 2024
EPSS, next 30 days
41%
Higher than 99% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected products
Chrome, chrome, debian_linux, fedora. NVD's record lists the exact affected versions.
References
- chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop.html Vendor Advisory
- crbug.com/1473247 Permissions Required
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27NR3KG553CG6LGPMP6SHWEVHTYPL6RC/ Mailing List
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/ Mailing List
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/ Mailing List
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4762 PatchThird Party Advisory
- security.gentoo.org/glsa/202311-11 Third Party Advisory
- security.gentoo.org/glsa/202312-07 Third Party Advisory
- security.gentoo.org/glsa/202401-34 Third Party Advisory
- www.debian.org/security/2023/dsa-5491 Mailing ListThird Party Advisory
- chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop.html Vendor Advisory
- crbug.com/1473247 Permissions Required
Questions
Is CVE-2023-4762 being exploited?
Yes. CISA added CVE-2023-4762 to its Known Exploited Vulnerabilities catalog on 2024-02-06, with a federal remediation due date of 2024-02-27.
How do I fix CVE-2023-4762?
CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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