Is CVE-2014-8090 in the CISA KEV catalog?

No. CVE-2014-8090 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-8090?

CVE-2014-8090 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2014-8090?

CVE-2014-8090 has an EPSS score of 5.60% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-8090?

Upgrade ruby4 on rocky 8 to 0-main@noarch or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2014-8090

MEDIUMEPSS 92th pctl

5.0

CVSS v2

NVD

Description

The REXML parser in Ruby 1.9.x before 1.9.3 patchlevel 551, 2.0.x before 2.0.0 patchlevel 598, and 2.1.x before 2.1.5 allows remote attackers to cause a denial of service (CPU and memory consumption) a crafted XML document containing an empty string in an entity that is used in a large number of nested entity references, aka an XML Entity Expansion (XEE) attack. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-1821 and CVE-2014-8080.

How to fix

Remediation Available

ruby4Rocky

Fixed in:0-main@noarchRHSA-2026:8838

Fixed in:0-main@aarch64RHSA-2026:8838

Fixed in:0-main@srcRHSA-2026:8838

Fixed in:0-main@x86_64RHSA-2026:8838

ruby4Red Hat / RHEL

Fixed in:0-main@noarchRHSA-2026:8838

Fixed in:0-main@aarch64RHSA-2026:8838

Fixed in:0-main@srcRHSA-2026:8838

Fixed in:0-main@x86_64RHSA-2026:8838

libruby1.9.1Ubuntu

Fixed in:1.9.3.484-2ubuntu1.2USN-2412-1

libruby2.0Ubuntu

Fixed in:2.0.0.484-1ubuntu2.2USN-2412-1

ruby1.9.1Ubuntu

Fixed in:1.9.3.484-2ubuntu1.2USN-2412-1

ruby2.0Ubuntu

Fixed in:2.0.0.484-1ubuntu2.2USN-2412-1

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

5.60%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

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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 2026-05-06.