CVE-2017-9847

medium

Published 2017-06-24 · Modified 2026-05-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

5.5

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.5

Description

The bdecode function in bdecode.cpp in libtorrent 1.1.3 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.

Predictions

Exploit likelihood

55%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`1.1.4-1`
debian	bullseye	fixed	`1.1.4-1`
debian	forky	fixed	`1.1.4-1`
debian	sid	fixed	`1.1.4-1`
debian	trixie	fixed	`1.1.4-1`

Application impact

Vendor	Product	Versions	Fixed
libtorrent	libtorrent	`1.1.3`

References

CWEs

CWE-125

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.