CVE-2018-10392

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 8.8Exploit: None knownExposed: 0

A fix is available — apply it.

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.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
88%
KEV
Not listed

Published

April 26, 2018

Last Modified

November 21, 2024

Advisory Details (5)

Auto-updated Aug 24, 2026
Patch available. Sources: redhat.
generic

libvorbis: Multiple vulnerabilities (GLSA 202003-36) — Gentoo security

https://security.gentoo.org/glsa/202003-36
generic Patch Available

[SECURITY] [DLA 2828-1] libvorbis security update

https://lists.debian.org/debian-lts-announce/2021/11/msg00023.html
generic Patch Available

[SECURITY] [DLA 2013-1] libvorbis security update

https://lists.debian.org/debian-lts-announce/2019/11/msg00031.html
generic

Four heap buffer overflow(read and write) vuls in function mapping0_forward() of libvorbis-1.3.6, which is caused by lacking of var “channels” check. (#2335) · Issues · Xiph.Org / Vorbis · GitLab

https://gitlab.xiph.org/xiph/vorbis/issues/2335
redhat Patch Available

Affected: Red Hat Enterprise Linux 8.

https://access.redhat.com/errata/RHSA-2019:3703

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibvorbis-dev (1.3.5-3ubuntu0.2+esm1) @ xenial2026-05-28ubuntu
redhatlibvorbis-1:1.3.6-2.el82019-11-05redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(26 across 26 ecosystems)
Alpine:v3.10(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.11(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.12(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.13(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.14(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.15(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.16(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.17(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.18(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.19(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.20(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.21(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.22(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.5(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.6(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.7(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.8(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Alpine:v3.9(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-r1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-2—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-2—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
libvorbis—1.3.6-2—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
libvorbis1.3.4-2, 1.3.4-2+deb8u11.3.4-2+deb8u2—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
libvorbis1.3.5-4, 1.3.5-4+deb9u1, 1.3.5-4+deb9u21.3.5-4+deb9u3—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(3)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 137 total refreshes for this CVE.

  1. 2026-09-07 15:56 UTCEPSS rescore
  2. 2026-09-05 15:24 UTCEPSS rescore
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  25. 2026-08-06 22:33 UTCOSV refresh
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  1. 2026-08-06 13:42 UTCEPSS rescore
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  13. 2026-07-23 01:32 UTCEG score recompute
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  15. 2026-07-22 14:04 UTCEPSS rescore
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  17. 2026-07-21 13:48 UTCOSV refresh
  18. 2026-07-20 17:04 UTCEPSS rescore
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  43. 2026-07-04 09:26 UTCOSV refresh
  44. 2026-07-04 06:28 UTCEPSS rescore
  45. 2026-07-04 06:28 UTCEPSS rescore
  46. 2026-07-02 16:54 UTCEPSS rescore
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  48. 2026-06-30 23:19 UTCEPSS rescore
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  75. 2026-06-13 22:58 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-10392?
CVE-2018-10392 is a high vulnerability published on April 26, 2018. 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.
When was CVE-2018-10392 disclosed?
CVE-2018-10392 was first published in the National Vulnerability Database on April 26, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-10392 actively exploited?
CVE-2018-10392 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 12.1% of all scored CVEs.
What is the CVSS score of CVE-2018-10392?
CVE-2018-10392 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2018-10392?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-10392, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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