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CVE-2023-3079

Google Chromium V8 Type Confusion

8.8 HIGHActively exploited (CISA KEV)Public exploitEPSS 32.1%
  1. Published5 Jun 2023
  2. Added to CISA KEV7 Jun 2023
  3. Remediation due28 Jun 2023
Actively exploited (CISA KEV)

Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Added to KEV: 7 Jun 2023Federal remediation due: 28 Jun 2023

Description

Type confusion in V8 in Google Chrome prior to 114.0.5735.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Couchbase Server< 7.1.5 · 7.2.0
Google Chrome< 114.0.5735.110
Debian Linux11.0 · 12.0
Fedoraproject Fedora37 · 38

Remediation

Fixed in
Couchbase Server≥ 7.1.5
Google Chrome≥ 114.0.5735.110

References

and 1 more references

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Frequently asked

Is CVE-2023-3079 being actively exploited?

Yes. CVE-2023-3079 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 7 Jun 2023.

How severe is CVE-2023-3079?

CVE-2023-3079 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 32.1% probability of exploitation.

Which products are affected by CVE-2023-3079?

Affected products include Couchbase Server, Google Chrome, Debian Linux, Fedoraproject Fedora.

How do I fix CVE-2023-3079?

Upgrade affected software to a fixed version, for example Couchbase Server 7.1.5, Google Chrome 114.0.5735.110 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-3079 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.