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CVE-2018-10393

25
FAUCET Score

CVE-2018-10393 describes a stack-based buffer over-read vulnerability in the bark_noise_hybridmp function within psy.c of Xiph.Org libvorbis 1.3.6, affecting products like Debian and Red Hat. With a CVSS score of 7.5 (HIGH), this vulnerability can be exploited remotely without user interaction, leading to a denial of service. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.6CPE matchmatch criteria
cpe:2.3:a:xiph.org:libvorbis:1.3.6:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
8.1CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.40%
Probability of exploitation in next 30 days
EPSS Percentile
82.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0240 is in the 68th percentile among its peer group of 51,551 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (6)

microsoftpatch availablevia msrc
Product: 16931-16823Fixed in: 1.3.7-1
microsoftpatch availablevia msrc
Product: cbl2 libvorbis 1.3.7-1 on CBL Mariner 2.0Fixed in: 1.3.7-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libvorbis-1:1.3.6-2.el8
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libvorbis
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libvorbis
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libvorbis

Vendor Advisories (2)

redhatCVE-2018-10393Low

libvorbis: stack buffer overflow in bark_noise_hybridmp function

Apr 25, 2018
microsoft2018-Apr/CVE-2018-10393Important

bark_noise_hybridmp in psy.c in Xiph.Org libvorbis 1.3.6 has a stack-based buffer over-read.

Apr 10, 2018

References

access.redhat.com / errata/RHSA-2019:3703
Third Party Advisory
gitlab.xiph.org / xiph/vorbis/issues/2334
Issue TrackingVendor Advisory
lists.debian.org / debian-lts-announce/2019/11/msg00031.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2021/11/msg00023.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202003-36
Third Party Advisory