Out-of-bounds Read in Libtorrent

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.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (61.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-9847?
CVE-2017-9847 is a medium-severity vulnerability in Libtorrent, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2017-06-24.
How severe is CVE-2017-9847?
Medium severity. CVSS v3 base score is 5.5 out of 10.