Is CVE-2014-4909 in the CISA KEV catalog?

No. CVE-2014-4909 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-4909?

CVE-2014-4909 has a CVSS v2 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2014-4909?

CVE-2014-4909 has an EPSS score of 5.41% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-4909?

Upgrade transmission on debian 11 to 2.84-0.1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2014-4909

MEDIUMEPSS 92th pctl

6.8

CVSS v2

NVD

Description

Integer overflow in the tr_bitfieldEnsureNthBitAlloced function in bitfield.c in Transmission before 2.84 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted peer message, which triggers an out-of-bounds write.

CWE-189

How to fix

Remediation Available

transmissionDebian

Fixed in:2.84-0.1CVE-2014-4909

transmissionUbuntu

Fixed in:2.82-1.1ubuntu3.1USN-2279-1

transmission-commonUbuntu

Fixed in:2.82-1.1ubuntu3.1USN-2279-1

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

5.41%probability of exploitation in 30 days

92ndpercentile

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

References

Exploit1

inertiawar.com

Vendor Advisory1

trac.transmissionbt.com

Other references14

Related Vulnerabilities

Other CWE-189 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-1538	High	10.0	99%	-	-
CVE-2006-3747	High	7.6	96%	-	Fix
CVE-2007-0071	High	9.3	93%	-	-
CVE-2015-3829	High	10.0	90%	-	-
CVE-2015-3864	High	10.0	87%	-	-
CVE-2015-1539	High	10.0	86%	-	-

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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.