Is CVE-2023-5170 in the CISA KEV catalog?

No. CVE-2023-5170 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-5170?

CVE-2023-5170 has a CVSS v3 base score of 7.4 (HIGH).

What is the EPSS score for CVE-2023-5170?

CVE-2023-5170 has an EPSS score of 0.59% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-5170?

Upgrade firefox on debian unstable to 118.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2023-5170

HIGH

7.4

CVSS v3

NVD

Description

In canvas rendering, a compromised content process could have caused a surface to change unexpectedly, leading to a memory leak of a privileged process. This memory leak could be used to effect a sandbox escape if the correct data was leaked. This vulnerability affects Firefox < 118.

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available

firefoxDebian

Fixed in:118.0-1CVE-2023-5170

firefoxUbuntu

Fixed in:118.0.1+build1-0ubuntu0.20.04.1USN-6404-1

DeveloperEditionWindows application

Affected:118.0Fixed in:118.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:118.0Fixed in:118.0Mozilla

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 InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.59%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Issue Tracking1

bugzilla.mozilla.org

Other references1

security.gentoo.org

Related Vulnerabilities

Other CWE-401 (Missing Release of Memory (Memory Leak)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13934	High	7.5	64%	-	Fix
CVE-2016-6304	High	7.5	63%	-	Fix
CVE-2019-12265	Medium	5.3	55%	-	Fix
CVE-2001-0136	Medium	5.0	45%	-	-
CVE-2016-4232	High	7.5	36%	-	-
CVE-2001-0543	Medium	5.0	21%	-	-

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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 2024-11-21.