oggenc in vorbis-tools 1.4.0 allows remote attackers to cause a denial of service (divide-by-zero error and crash) via a WAV file with the number of channels set to zero.
Conclusion & alert: CVE-2014-9638 is rated High Exploit Risk (62.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.10%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). 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 | 2026-04-21 | 1.28% | 1.10% | -0.18% |
| 2 | 2025-07-13 | 1.36% | 1.28% | -0.08% |
| 3 | 2025-04-12 | — | 1.36% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2014-9638 unimportant priority: Debian including 2 source packages (opus-tools, vorbis-tools), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. | https://security-tracker.debian.org/tracker/CVE-2014-9638 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2014-9638 |
suse
|
low | CVE-2014-9638 severity low: SUSE including 15 source package names (vorbis-tools-1.1.1-174.1, vorbis-tools-1.4.0-1.53, …), 58 product×package rows across 30 product lines (SUSE Linux Enterprise Desktop 11 SP3, SUSE Linux Enterprise Desktop 11 SP4, … (30 product lines)): Fixed 58. | https://www.suse.com/security/cve/CVE-2014-9638/ |
ubuntu
|
negligible | CVE-2014-9638 negligible priority: Ubuntu including 1 source packages (vorbis-tools), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 7, ignored 5, DNE 1, released 1. | https://ubuntu.com/security/CVE-2014-9638 |
: <a href="http://cwe.mitre.org/data/definitions/369.html">CWE-369: Divide By Zero</a>
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| fedoraproject | fedora | 20 | cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* |
| fedoraproject | fedora | 21 | cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
| xiph | vorbis-tools | 1.4.0 | cpe:2.3:a:xiph:vorbis-tools:1.4.0:*:*:*:*:*:*:* |