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Fencer Intel
high 8.8

CVE-2018-10392 json

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…

published 8y ago modified 4mo ago also EUVD-2018-2465

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.3%
EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

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.

Patch / fix

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

debian advisories DEBIAN-CVE-2018-10392

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

ubuntu advisories UBUNTU-CVE-2018-10392

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 SLE Module for Basesystem 15 1.3.6-4.3.1
  • libvorbis SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +1 more 1.3.3-10.14.1
  • libvorbis SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 1.2.0-79.20.14.1

suse advisories SUSE-SU-2018:1885-1SUSE-SU-2018:1565-1SUSE-SU-2018:1563-1

  • 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 +17 more 1.3.6-r1

alpine advisories ALPINE-CVE-2018-10392

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-7276

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

Is CVE-2018-10392 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2018-10392 updated cvss 3.3

libvorbis: heap buffer overflow in mapping0_forward function

  • Red Hat Enterprise Linux 5 libvorbis
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 6 libvorbis 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

3.32% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • gitlab.xiph.org https://gitlab.xiph.org/xiph/vorbis/issues/2335 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel 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.