Is CVE-2022-24839 in the CISA KEV catalog?

No. CVE-2022-24839 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-24839?

CVE-2022-24839 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-24839?

CVE-2022-24839 has an EPSS score of 2.11% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-24839?

Upgrade nekohtml on debian 12 to 1.9.22.noko2-0.1 or later.

CVE & CISA-KEV Catalog

CVE-2022-24839

HIGHEPSS 80th pctl

7.5

CVSS v3

NVD

Description

org.cyberneko.html is an html parser written in Java. The fork of `org.cyberneko.html` used by Nokogiri (Rubygem) raises a `java.lang.OutOfMemoryError` exception when parsing ill-formed HTML markup. Users are advised to upgrade to `>= 1.9.22.noko2`. Note: The upstream library `org.cyberneko.html` is no longer maintained. Nokogiri uses its own fork of this library located at https://github.com/sparklemotion/nekohtml and this CVE applies only to that fork. Other forks of nekohtml may have a similar vulnerability.

CWE-400Resource Exhaustion

How to fix

Remediation Available

nekohtmlDebian

Fixed in:1.9.22.noko2-0.1CVE-2022-24839

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

2.11%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch2

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	89%	-	Fix

Embed a live status badge for CVE-2022-24839

Markdown

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HTML

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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.