Is CVE-2023-25733 in the CISA KEV catalog?

No. CVE-2023-25733 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-25733?

CVE-2023-25733 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-25733?

CVE-2023-25733 has an EPSS score of 0.62% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-25733?

Upgrade firefox on debian unstable to 110.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2023-25733

HIGH

7.5

CVSS v3

NVD

Description

The return value from `gfx::SourceSurfaceSkia::Map()` wasn't being verified which could have potentially lead to a null pointer dereference. This vulnerability affects Firefox < 110.

CWE-252

How to fix

Remediation Available

firefoxDebian

Fixed in:110.0-1CVE-2023-25733

firefoxUbuntu

Fixed in:110.0+build3-0ubuntu0.18.04.1USN-5880-1

Fixed in:110.0+build3-0ubuntu0.20.04.1USN-5880-1

DeveloperEditionWindows application

Affected:110.0Fixed in:110.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:110.0Fixed in:110.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.62%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Other references1

bugzilla.mozilla.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-12-11.