CVE-2012-0823

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".

Published: 2012-02-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2012-0823

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-0823

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2012-0823

OS Trackers for CVE-2012-0823

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

Affected software / configurations for 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:*:*:*:*:*:*:*

References for CVE-2012-0823

cvelogic Threat Intelligence