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.
Conclusion & alert: CVE-2018-10392 is rated High Exploit Risk (82.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.34%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.92% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.42% | 3.34% | +1.92% |
| 2 | 2026-02-22 | 1.32% | 1.42% | +0.10% |
| 3 | 2025-11-21 | — | 1.32% | — |
Full EPSS history (21 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2018-10392: 1 source package rows (libvorbis); 22 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 17, open 5. | https://security.alpinelinux.org/vuln/CVE-2018-10392 |
debian
|
not yet assigned | CVE-2018-10392 not yet assigned priority: Debian including 1 source packages (libvorbis), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-10392 |
gentoo
|
normal | CVE-2018-10392: 1 GLSA(s) (202003-36), 1 atom(s) (media-libs/libvorbis); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-10392 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2018-10392 |
suse
|
medium | CVE-2018-10392 severity moderate: SUSE including 305 source package names (0.3.2-1.2:libvorbis0-1.3.6-4.3.1, 0.3.2-1.2:libvorbisenc2-1.3.6-4.3.1, …), 487 product×package rows across 74 product lines (Container containers/lmcache-vllm-openai, Container containers/milvus, … (74 product lines)): Fixed 256, Known Affected 231. | https://www.suse.com/security/cve/CVE-2018-10392/ |
ubuntu
|
low | CVE-2018-10392 low priority: Ubuntu including 1 source packages (libvorbis), 20 status rows across 20 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 15, released 2, DNE 1, ignored 1, needed 1. | https://ubuntu.com/security/CVE-2018-10392 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| xiph.org | libvorbis | 1.3.6 | cpe:2.3:a:xiph.org:libvorbis:1.3.6:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.1 | cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2019:3703 | Third Party Advisory |
| https://gitlab.xiph.org/xiph/vorbis/issues/2335 | Exploit Issue Tracking Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2019/11/msg00031.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/11/msg00023.html | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202003-36 | Third Party Advisory |