CVE-2009-0893

Exp

Multiple heap-based buffer overflows in xvidcore/src/decoder.c in the xvidcore library in Xvid before 1.2.2, as used by Windows Media Player and other applications, allow remote attackers to execute arbitrary code by providing a crafted macroblock (aka MBlock) number in a video stream in a crafted movie file that triggers heap memory corruption, related to a "missing resync marker range check" and the (1) decoder_iframe, (2) decoder_pframe, and (3) decoder_bframe functions.

Published: 2009-06-02 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0893 is rated High Exploit Risk (84.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.51%, 93th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). 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.

Public exploit references (Exploit-DB) for CVE-2009-0893

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-0893

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 9.30% 6.51% -2.78%
2 2026-01-29 7.10% 9.30% +2.20%
3 2025-10-22 — 7.10% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0893

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2009-0893

OS Trackers for CVE-2009-0893

vendor priority summary link
debian unimportant CVE-2009-0893 unimportant priority: Debian including 1 source packages (xvidcore), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2009-0893
ubuntu medium CVE-2009-0893 medium priority: Ubuntu including 1 source packages (xvidcore), 10 status rows across 10 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): ignored 5, not-affected 4, released 1. https://ubuntu.com/security/CVE-2009-0893

Affected software / configurations for CVE-2009-0893

Vendor Product Version Raw CPE
xvid xvid <= 1.2.1 cpe:2.3:a:xvid:xvid:*:*:*:*:*:*:*:*
xvid xvid 1.1.0 cpe:2.3:a:xvid:xvid:1.1.0:*:*:*:*:*:*:*
xvid xvid 1.1.1 cpe:2.3:a:xvid:xvid:1.1.1:*:*:*:*:*:*:*
xvid xvid 1.1.2 cpe:2.3:a:xvid:xvid:1.1.2:*:*:*:*:*:*:*
xvid xvid 1.1.3 cpe:2.3:a:xvid:xvid:1.1.3:*:*:*:*:*:*:*
xvid xvid 1.2.0 cpe:2.3:a:xvid:xvid:1.2.0:*:*:*:*:*:*:*

References for CVE-2009-0893

cvelogic Threat Intelligence