CVE-2014-4909

CVE-2014-4909 is a medium-severity vulnerability in Transmissionbt Transmission with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

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.

Frequently asked questions

What is CVE-2014-4909?
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.
How severe is CVE-2014-4909?
CVE-2014-4909 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2014-4909 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-4909?
CVE-2014-4909 primarily affects Transmissionbt Transmission. In total, 105 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-4909?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-4909 published?
CVE-2014-4909 was published on 2014-07-29 and last updated on 2026-06-17.

References

Affected products (105)

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