CVE-2017-9847
The bdecode function in bdecode.cpp in libtorrent 1.1.3 allows remote attackers to cause a denial...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2017-9847- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-9847- Updated
- 2026-11-02
EUVDEUVD-2017-18757 No score
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.
- Record
EUVD-2017-18757- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cprj-g8xp-69pf
The bdecode function in bdecode.cpp in libtorrent 1.1.3 allows remote attackers to cause a denial...
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.
- Record
GHSA-cprj-g8xp-69pf- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2017-9847- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-9847
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.
- Record
DEBIAN-CVE-2017-9847- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-9847
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.
- Record
UBUNTU-CVE-2017-9847- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libtorrent-rasterbarDebian:12 |
before 1.1.4-1 | 1.1.4-1 |
libtorrent-rasterbarDebian:13 |
before 1.1.4-1 | 1.1.4-1 |
libtorrent-rasterbarDebian:14 |
before 1.1.4-1 | 1.1.4-1 |
libtorrent-rasterbarUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 0.16.11-1ubuntu10.16.11-1ubuntu20.16.11-1ubuntu40.16.11-1ubuntu50.16.13-1ubuntu10.16.13-1ubuntu20.16.13-1ubuntu2.10.16.13-1ubuntu2.1+esm1 |
None known |
libtorrent-rasterbarUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 1.0.6-21.0.7-11.0.7-1build11.0.7-1ubuntu0.1~esm1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-9847 is a medium vulnerability (CVSS 5.5) in Libtorrent, published June 24, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. Fixed in libtorrent-rasterbar 1.1.4-1.