CVE-2011-1931

sp5xdec.c in the Sunplus SP5X JPEG decoder in libavcodec in FFmpeg before 0.6.3 and libav through 0.6.2, as used in VideoLAN VLC media player 1.1.9 and earlier and other products, performs a write operation outside the bounds of an unspecified array, which allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a malformed AMV file.

Published: 2011-07-07 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1931 is rated Moderate Risk (55.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.23%). 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-2011-1931

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 2.34% 2.23% -0.11%
2 2025-12-28 1.85% 2.34% +0.49%
3 2025-05-28 — 1.85% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1931

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2011-1931

OS Trackers for CVE-2011-1931

vendor priority summary link
debian unimportant CVE-2011-1931 unimportant priority: Debian including 1 source packages (ffmpeg), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-1931
gentoo high CVE-2011-1931: 1 GLSA(s) (201310-12), 1 atom(s) (media-video/ffmpeg); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-1931
ubuntu medium CVE-2011-1931 medium priority: Ubuntu including 4 source packages (ffmpeg, ffmpeg-extra, libav, libav-extra), 24 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): DNE 11, released 5, not-affected 4, needs-triage 3, ignored 1. https://ubuntu.com/security/CVE-2011-1931

Affected software / configurations for CVE-2011-1931

Vendor Product Version Raw CPE
ffmpeg ffmpeg <= 0.6.2 cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.3 cpe:2.3:a:ffmpeg:ffmpeg:0.3:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.3.1 cpe:2.3:a:ffmpeg:ffmpeg:0.3.1:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.3.2 cpe:2.3:a:ffmpeg:ffmpeg:0.3.2:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.3.3 cpe:2.3:a:ffmpeg:ffmpeg:0.3.3:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.3.4 cpe:2.3:a:ffmpeg:ffmpeg:0.3.4:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.4.0 cpe:2.3:a:ffmpeg:ffmpeg:0.4.0:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.4.2 cpe:2.3:a:ffmpeg:ffmpeg:0.4.2:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.4.3 cpe:2.3:a:ffmpeg:ffmpeg:0.4.3:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.4.4 cpe:2.3:a:ffmpeg:ffmpeg:0.4.4:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.4.5 cpe:2.3:a:ffmpeg:ffmpeg:0.4.5:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.4.6 cpe:2.3:a:ffmpeg:ffmpeg:0.4.6:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.4.7 cpe:2.3:a:ffmpeg:ffmpeg:0.4.7:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.4.8 cpe:2.3:a:ffmpeg:ffmpeg:0.4.8:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.4.9 cpe:2.3:a:ffmpeg:ffmpeg:0.4.9:pre1:*:*:*:*:*:*
ffmpeg ffmpeg 0.5 cpe:2.3:a:ffmpeg:ffmpeg:0.5:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.5.1 cpe:2.3:a:ffmpeg:ffmpeg:0.5.1:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.5.2 cpe:2.3:a:ffmpeg:ffmpeg:0.5.2:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.5.3 cpe:2.3:a:ffmpeg:ffmpeg:0.5.3:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.5.4 cpe:2.3:a:ffmpeg:ffmpeg:0.5.4:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.6 cpe:2.3:a:ffmpeg:ffmpeg:0.6:*:*:*:*:*:*:*
ffmpeg ffmpeg 0.6.1 cpe:2.3:a:ffmpeg:ffmpeg:0.6.1:*:*:*:*:*:*:*
libav libav <= 0.6.2 cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*
libav libav 0.3 cpe:2.3:a:libav:libav:0.3:*:*:*:*:*:*:*
libav libav 0.3.1 cpe:2.3:a:libav:libav:0.3.1:*:*:*:*:*:*:*
libav libav 0.3.2 cpe:2.3:a:libav:libav:0.3.2:*:*:*:*:*:*:*
libav libav 0.3.3 cpe:2.3:a:libav:libav:0.3.3:*:*:*:*:*:*:*
libav libav 0.3.4 cpe:2.3:a:libav:libav:0.3.4:*:*:*:*:*:*:*
libav libav 0.4.0 cpe:2.3:a:libav:libav:0.4.0:*:*:*:*:*:*:*
libav libav 0.4.1 cpe:2.3:a:libav:libav:0.4.1:*:*:*:*:*:*:*
libav libav 0.4.2 cpe:2.3:a:libav:libav:0.4.2:*:*:*:*:*:*:*
libav libav 0.4.3 cpe:2.3:a:libav:libav:0.4.3:*:*:*:*:*:*:*
libav libav 0.4.4 cpe:2.3:a:libav:libav:0.4.4:*:*:*:*:*:*:*
libav libav 0.4.5 cpe:2.3:a:libav:libav:0.4.5:*:*:*:*:*:*:*
libav libav 0.4.6 cpe:2.3:a:libav:libav:0.4.6:*:*:*:*:*:*:*
libav libav 0.4.7 cpe:2.3:a:libav:libav:0.4.7:*:*:*:*:*:*:*
libav libav 0.4.8 cpe:2.3:a:libav:libav:0.4.8:*:*:*:*:*:*:*
libav libav 0.4.9 cpe:2.3:a:libav:libav:0.4.9:pre1:*:*:*:*:*:*
libav libav 0.5 cpe:2.3:a:libav:libav:0.5:*:*:*:*:*:*:*
libav libav 0.5.4 cpe:2.3:a:libav:libav:0.5.4:*:*:*:*:*:*:*
libav libav 0.6 cpe:2.3:a:libav:libav:0.6:*:*:*:*:*:*:*
libav libav 0.6.1 cpe:2.3:a:libav:libav:0.6.1:*:*:*:*:*:*:*
videolan vlc_media_player <= 1.1.9 cpe:2.3:a:videolan:vlc_media_player:*:*:*:*:*:*:*:*
videolan vlc_media_player 0.1.99b cpe:2.3:a:videolan:vlc_media_player:0.1.99b:*:*:*:*:*:*:*
videolan vlc_media_player 0.1.99e cpe:2.3:a:videolan:vlc_media_player:0.1.99e:*:*:*:*:*:*:*
videolan vlc_media_player 0.1.99f cpe:2.3:a:videolan:vlc_media_player:0.1.99f:*:*:*:*:*:*:*
videolan vlc_media_player 0.1.99g cpe:2.3:a:videolan:vlc_media_player:0.1.99g:*:*:*:*:*:*:*
videolan vlc_media_player 0.1.99h cpe:2.3:a:videolan:vlc_media_player:0.1.99h:*:*:*:*:*:*:*
videolan vlc_media_player 0.1.99i cpe:2.3:a:videolan:vlc_media_player:0.1.99i:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.0 cpe:2.3:a:videolan:vlc_media_player:0.2.0:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.60 cpe:2.3:a:videolan:vlc_media_player:0.2.60:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.61 cpe:2.3:a:videolan:vlc_media_player:0.2.61:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.62 cpe:2.3:a:videolan:vlc_media_player:0.2.62:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.63 cpe:2.3:a:videolan:vlc_media_player:0.2.63:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.70 cpe:2.3:a:videolan:vlc_media_player:0.2.70:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.71 cpe:2.3:a:videolan:vlc_media_player:0.2.71:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.72 cpe:2.3:a:videolan:vlc_media_player:0.2.72:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.73 cpe:2.3:a:videolan:vlc_media_player:0.2.73:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.80 cpe:2.3:a:videolan:vlc_media_player:0.2.80:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.81 cpe:2.3:a:videolan:vlc_media_player:0.2.81:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.82 cpe:2.3:a:videolan:vlc_media_player:0.2.82:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.83 cpe:2.3:a:videolan:vlc_media_player:0.2.83:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.90 cpe:2.3:a:videolan:vlc_media_player:0.2.90:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.91 cpe:2.3:a:videolan:vlc_media_player:0.2.91:*:*:*:*:*:*:*
videolan vlc_media_player 0.2.92 cpe:2.3:a:videolan:vlc_media_player:0.2.92:*:*:*:*:*:*:*
videolan vlc_media_player 0.3.0 cpe:2.3:a:videolan:vlc_media_player:0.3.0:*:*:*:*:*:*:*
videolan vlc_media_player 0.3.1 cpe:2.3:a:videolan:vlc_media_player:0.3.1:*:*:*:*:*:*:*
videolan vlc_media_player 0.4.0 cpe:2.3:a:videolan:vlc_media_player:0.4.0:*:*:*:*:*:*:*
videolan vlc_media_player 0.4.1 cpe:2.3:a:videolan:vlc_media_player:0.4.1:*:*:*:*:*:*:*
videolan vlc_media_player 0.4.2 cpe:2.3:a:videolan:vlc_media_player:0.4.2:*:*:*:*:*:*:*
videolan vlc_media_player 0.4.3 cpe:2.3:a:videolan:vlc_media_player:0.4.3:*:*:*:*:*:*:*
videolan vlc_media_player 0.4.4 cpe:2.3:a:videolan:vlc_media_player:0.4.4:*:*:*:*:*:*:*
videolan vlc_media_player 0.4.5 cpe:2.3:a:videolan:vlc_media_player:0.4.5:*:*:*:*:*:*:*
videolan vlc_media_player 0.4.6 cpe:2.3:a:videolan:vlc_media_player:0.4.6:*:*:*:*:*:*:*
videolan vlc_media_player 0.5.0 cpe:2.3:a:videolan:vlc_media_player:0.5.0:*:*:*:*:*:*:*
videolan vlc_media_player 0.5.1 cpe:2.3:a:videolan:vlc_media_player:0.5.1:*:*:*:*:*:*:*
videolan vlc_media_player 0.5.2 cpe:2.3:a:videolan:vlc_media_player:0.5.2:*:*:*:*:*:*:*
videolan vlc_media_player 0.5.3 cpe:2.3:a:videolan:vlc_media_player:0.5.3:*:*:*:*:*:*:*
videolan vlc_media_player 0.6.0 cpe:2.3:a:videolan:vlc_media_player:0.6.0:*:*:*:*:*:*:*
videolan vlc_media_player 0.6.1 cpe:2.3:a:videolan:vlc_media_player:0.6.1:*:*:*:*:*:*:*

References for CVE-2011-1931

cvelogic Threat Intelligence