Is CVE-2014-1564 in the CISA KEV catalog?

No. CVE-2014-1564 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-1564?

CVE-2014-1564 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2014-1564?

CVE-2014-1564 has an EPSS score of 5.46% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-1564?

Upgrade firefox on ubuntu 14.04 to 32.0+build1-0ubuntu0.14.04.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2014-1564

MEDIUMEPSS 92th pctl

4.3

CVSS v2

NVD

Description

Mozilla Firefox before 32.0, Firefox ESR 31.x before 31.1, and Thunderbird 31.x before 31.1 do not properly initialize memory for GIF rendering, which allows remote attackers to obtain sensitive information from process memory via crafted web script that interacts with a CANVAS element associated with a malformed GIF image.

CWE-824

How to fix

Remediation Available

firefoxUbuntu

Fixed in:32.0+build1-0ubuntu0.14.04.1USN-2329-1

thunderbirdUbuntu

Fixed in:1:31.1.1+build1-0ubuntu0.14.04.1USN-2330-1

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

5.46%probability of exploitation in 30 days

92ndpercentile

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

References

Vendor Advisory1

mozilla.org

Third-Party Advisory3

Issue Tracking1

bugzilla.mozilla.org

Other references11

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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.