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CVE-2018-10392

29
FAUCET Score

CVE-2018-10392 is a high-severity vulnerability affecting Xiph.Org libvorbis 1.3.6, as well as Debian and Red Hat distributions. It stems from a lack of channel validation in the mapping0_forward function, allowing remote attackers to trigger a heap-based buffer overflow or over-read through a crafted file. This can lead to a denial of service and potentially other unspecified impacts, with a CVSS score of 8.8. While no public exploits, Metasploit modules, or Nuclei templates are available, and there is no evidence of active exploitation or significant community discussion, the vulnerability carries a high risk score.

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

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.34%
Probability of exploitation in next 30 days
EPSS Percentile
87.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0334 is in the 87th percentile among its peer group of 14,824 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 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
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libvorbis
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libvorbis

Vendor Advisories (2)

redhatCVE-2018-10392Low

libvorbis: heap buffer overflow in mapping0_forward function

Apr 25, 2018
microsoft2018-Apr/CVE-2018-10392Important

mapping0_forward in mapping0.c in Xiph.Org libvorbis 1.3.6 does not validate the number of channels which allows remote attackers to cause a denial of service (heap-based buffer overflow or over-read) or possibly have unspecified other impact via a crafted file.

Apr 10, 2018

References

access.redhat.com / errata/RHSA-2019:3703
Third Party Advisory
gitlab.xiph.org / xiph/vorbis/issues/2335
ExploitIssue 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