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7.8

Deluge and libtorrent can crash from crafted data

CVE-2008-0646 · published 18 years ago
Summary

The libtorrent library used by Deluge can run out of memory and stop working when it receives a specially formed bencoded message. This can cause the application to become unresponsive or shut down unexpectedly. Update Deluge to version 0.5.8.3 or later, or upgrade libtorrent to version 0.12.1 or newer to prevent the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
deluge_team deluge <= 0.5.8.2
cpe:2.3:a:deluge_team:deluge:*:*:*:*:*:*:*:*
rasterbar_software libtorrent <= 0.12
cpe:2.3:a:rasterbar_software:libtorrent:*:*:*:*:*:*:*:*
Original advisory text
The bdecode_recursive function in include/libtorrent/bencode.hpp in Rasterbar Software libtorrent before 0.12.1, as used in Deluge before 0.5.8.3 and other products, allows context-dependent attack...
The bdecode_recursive function in include/libtorrent/bencode.hpp in Rasterbar Software libtorrent before 0.12.1, as used in Deluge before 0.5.8.3 and other products, allows context-dependent attackers to cause a denial of service (stack exhaustion and crash) via a crafted bencoded message.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.8 High
Exploitation
2% chance of attack within 30 days
Type
CWE-119Buffer Overflow
Timeline
Published7 Feb 2008
Updated29 Oct 2026
First seen29 Sep 2026
Sources
CVE-2008-0646 · NVD
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