VP8 Codec SDK (libvpx) before 1.0.0 "Duclair" allows remote attackers to cause a denial of service (application crash) via (1) unspecified "corrupt input" or (2) by "starting decoding from a P-frame," which triggers an out-of-bounds read, related to "the clamping of motion vectors in SPLITMV blocks".
Conclusion & alert: CVE-2012-0823 is rated Moderate Risk (50.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.63%). Core evidence: EPSS rose +1.41% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 1.21% | 2.63% | +1.41% |
| 2 | 2025-03-30 | 2.02% | 1.21% | -0.81% |
| 3 | 2025-03-29 | — | 2.02% | — |
Full EPSS history (7 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
|
not yet assigned | CVE-2012-0823 not yet assigned priority: Debian including 1 source packages (libvpx), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-0823 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2012-0823 |
ubuntu
|
low | CVE-2012-0823 low priority: Ubuntu including 1 source packages (libvpx), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): not-affected 5, DNE 1. | https://ubuntu.com/security/CVE-2012-0823 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| webmproject | libvpx | <= 0.9.7 | cpe:2.3:a:webmproject:libvpx:*:p1:*:*:*:*:*:* |
| webmproject | libvpx | 0.9.0 | cpe:2.3:a:webmproject:libvpx:0.9.0:*:*:*:*:*:*:* |
| webmproject | libvpx | 0.9.1 | cpe:2.3:a:webmproject:libvpx:0.9.1:*:*:*:*:*:*:* |
| webmproject | libvpx | 0.9.2 | cpe:2.3:a:webmproject:libvpx:0.9.2:*:*:*:*:*:*:* |
| webmproject | libvpx | 0.9.5 | cpe:2.3:a:webmproject:libvpx:0.9.5:*:*:*:*:*:*:* |
| webmproject | libvpx | 0.9.6 | cpe:2.3:a:webmproject:libvpx:0.9.6:*:*:*:*:*:*:* |
| webmproject | libvpx | 0.9.7 | cpe:2.3:a:webmproject:libvpx:0.9.7:*:*:*:*:*:*:* |