MEDIUM
CVE-2014-4909
CWE-189Published: July 29, 2014· Updated: Jun 17, 2026
6.8
CVSS v3.1
Official 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.
Technical Analysis
CVE-2014-4909 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:M/Au:N/C:P/I:P/A:P
Affected Vendors & Products
Canonical1 product(s)
ubuntu linux
Fedora1 product(s)
fedora
gentoo1 product(s)
linux
transmissionbt1 product(s)
transmission
Source: NVD CPE · 105 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (32)
→
https://trac.transmissionbt.com/wiki/Changes#version-2.84Vendor Advisory
Quick Facts
CVE IDCVE-2014-4909
CVSS Score6.8 / 10
SeverityMEDIUM
WeaknessCWE-189
CISA KEVNo
Affected4 vendor(s)
PublishedJul 29, 2014
Related CVEs (CWE-189)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2014-4909 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.