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CVE-2017-8363

24
FAUCET Score

CVE-2017-8363 describes a heap-based buffer over-read vulnerability in the flac_buffer_copy function of libsndfile 1.0.28, affecting Debian and libsndfile projects. This medium-severity vulnerability (CVSS 6.5) can be triggered remotely via a crafted audio file, leading to a denial of service and application crash with low attack complexity and user interaction required. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.28CPE matchmatch criteria
cpe:2.3:a:libsndfile_project:libsndfile:1.0.28:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.35%
Probability of exploitation in next 30 days
EPSS Percentile
87.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0335 is in the 94th percentile among its peer group of 26,236 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (6)

microsoftpatch availablevia msrc
Product: 16897-16820Fixed in: 1.0.31-1
microsoftpatch availablevia msrc
Product: cm1 libsndfile 1.0.31-1 on CBL Mariner 1.0Fixed in: 1.0.31-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 1.0.31-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 1.0.31-1
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libsndfile
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libsndfile

Vendor Advisories (3)

microsoft2021-Jan/CVE-2017-8363

CVE-2017-8363

Jan 12, 2021
redhatCVE-2017-8363Low

libsndfile: Heap buffer over-read in the flac_buffer_copy function

Apr 29, 2017
microsoft2017-Apr/CVE-2017-8363Moderate

The flac_buffer_copy function in flac.c in libsndfile 1.0.28 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted audio file.

Apr 11, 2017

References

blogs.gentoo.org / ago/2017/04/29/libsndfile-heap-based-buffer-overflow-in-flac_buffer_copy-flac-c
PatchThird Party AdvisoryVDB Entry
lists.debian.org / debian-lts-announce/2018/12/msg00016.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/201811-23
Third Party Advisory