Is CVE-2015-2736 in the CISA KEV catalog?

No. CVE-2015-2736 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-2736?

CVE-2015-2736 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2015-2736?

CVE-2015-2736 has an EPSS score of 3.77% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-2736?

Upgrade firefox on ubuntu 14.04 to 39.0+build5-0ubuntu0.14.04.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2015-2736

HIGHEPSS 89th pctl

9.3

CVSS v2

NVD

Description

The nsZipArchive::BuildFileList function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses unintended memory locations, which allows remote attackers to have an unspecified impact via a crafted ZIP archive.

CWE-17

How to fix

Remediation Available

firefoxUbuntu

Fixed in:39.0+build5-0ubuntu0.14.04.1USN-2656-1

thunderbirdUbuntu

Fixed in:1:31.8.0+build1-0ubuntu0.14.04.1USN-2673-1

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

3.77%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Third-Party Advisory6

Issue Tracking1

bugzilla.mozilla.org

Other references12

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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.