Is CVE-2014-9087 in the CISA KEV catalog?

No. CVE-2014-9087 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-9087?

CVE-2014-9087 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2014-9087?

CVE-2014-9087 has an EPSS score of 5.17% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-9087?

Upgrade libksba on ubuntu 14.04 to 1.3.0-3ubuntu0.14.04.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2014-9087

HIGHEPSS 91th pctl

7.5

CVSS v2

NVD

Description

Integer underflow in the ksba_oid_to_str function in Libksba before 1.3.2, as used in GnuPG, allows remote attackers to cause a denial of service (crash) via a crafted OID in a (1) S/MIME message or (2) ECC based OpenPGP data, which triggers a buffer overflow.

CWE-191

How to fix

Remediation Available

libksbaUbuntu

Fixed in:1.3.0-3ubuntu0.14.04.1USN-2427-1

libksba8Ubuntu

Fixed in:1.3.0-3ubuntu0.14.04.1USN-2427-1

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

5.17%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Patch1

ubuntu.com

Vendor Advisory1

lists.gnupg.org

Third-Party Advisory7

Other references2

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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.