Fedora 26 update for qbittorrent, rb_libtorrent



| Updated: 2025-04-24
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-9847
CWE-ID CWE-125
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

rb_libtorrent
Operating systems & Components / Operating system package or component

qbittorrent
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU38818

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-9847

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in The bdecode function in bdecode.cpp in libtorrent 1.1.3. A remote attacker can perform a denial of service (heap-based buffer over-read and application crash) via a crafted file.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 26

rb_libtorrent: before 1.1.5-1.fc26

qbittorrent: before 4.0.1-1.fc26

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2017-b2f4db4def


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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