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CVE-2008-0646

20
FAUCET Score

CVE-2008-0646 describes a denial-of-service vulnerability in the bdecode_recursive function of Rasterbar Software libtorrent before version 0.12.1, also affecting Deluge before 0.5.8.3. An unauthenticated attacker can exploit this by sending a specially crafted bencoded message, leading to stack exhaustion and a crash. With a CVSS score of 7.8, this vulnerability is considered high severity due to its network-based attack vector and complete availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.5.8.2CPE matchmatch criteria
cpe:2.3:a:deluge_team:deluge:*:*:*:*:*:*:*:*
<= 0.12CPE matchmatch criteria
cpe:2.3:a:rasterbar_software:libtorrent:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.24%
Probability of exploitation in next 30 days
EPSS Percentile
81.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0224 is in the 66th percentile among its peer group of 51,466 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

deluge-torrent.org / Changelog.php
libtorrent.svn.sourceforge.net / viewvc/libtorrent/branches/RC_0_12/include/libtorrent/bencode.hpp
Exploit
libtorrent.svn.sourceforge.net / viewvc/libtorrent/branches/RC_0_12/include/libtorrent/bencode.hpp
libtorrent.svn.sourceforge.net / viewvc/libtorrent/branches/RC_0_13/include/libtorrent/bencode.hpp
libtorrent.svn.sourceforge.net / viewvc/libtorrent/trunk/include/libtorrent/bencode.hpp
secunia.com / advisories/28699
Vendor Advisory
secunia.com / advisories/28700
secunia.com / advisories/28781
Vendor Advisory
secunia.com / advisories/28782
redhat.com / archives/fedora-package-announce/2008-February/msg00001.html
securityfocus.com / bid/27597
Patch
vupen.com / english/advisories/2008/0383
vupen.com / english/advisories/2008/0384