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Fencer Vulns
high 7.5

CVE-2018-10393 json

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

published 2018-04-26 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-2466

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

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

Patch / fix

  • libvorbis Debian 14, Debian 13, Debian 12 1.3.6-2

debian advisories DEBIAN-CVE-2018-10393

  • libvorbis Ubuntu Pro 16.04 LTS 1.3.5-3ubuntu0.2+esm1

ubuntu advisories UBUNTU-CVE-2018-10393

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libvorbis RHEL 8 1:1.3.6-2.el8

red hat advisories RHSA-2019:3703

  • libvorbis SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 1.2.0-79.20.11.1
  • libvorbis SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +1 more 1.3.3-10.11.1

suse advisories SUSE-SU-2018:1321-1SUSE-SU-2018:1324-1

  • libvorbis openSUSE Tumbleweed 1.3.7-1.6

opensuse advisories openSUSE-SU-2024:11009-1

  • libvorbis AlmaLinux 8 1:1.3.6-2.el8

almalinux advisories ALSA-2019:3703

  • libvorbis Rocky Linux 8 1:1.3.6-2.el8

rocky linux advisories RLSA-2019:3703

  • libvorbis Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 1.3.6-r2

alpine advisories ALPINE-CVE-2018-10393

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libvorbis CBL-Mariner 2.0 1.3.7-1

azure linux advisories AZL-7277

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-10393 updated cvss 7.3

libvorbis: stack buffer overflow in bark_noise_hybridmp function

  • Red Hat Enterprise Linux 5 libvorbis Red Hat Enterprise Linux 6 libvorbis
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 libvorbis
    affected: no fix available “Fix deferred”
  • Red Hat CodeReady Linux Builder (v. 8) libvorbis-devel 1.3.6-2.el8, libvorbis-debuginfo 1.3.6-2.el8, libvorbis-devel-docs 1.3.6-2.el8, libvorbis-debugsource 1.3.6-2.el8 Red Hat Enterprise Linux AppStream (v. 8) libvorbis 1.3.6-2.el8
    fixed: vendor fix RHSA-2019:3703

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.32% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.