How severe is CVE-2011-1931?

CVE-2011-1931 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2011-1931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1931?

CVE-2011-1931 primarily affects Ffmpeg. In total, 114 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1931?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1931 published?

CVE-2011-1931 was published on 2011-07-07 and last updated on 2026-06-16.

CVE-2011-1931

CVE-2011-1931 is a medium-severity vulnerability in Ffmpeg with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ffmpeg
Published: 2011-07-07
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2011-1931?: CVE-2011-1931 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2011-1931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1931?: CVE-2011-1931 primarily affects Ffmpeg. In total, 114 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1931?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1931 published?: CVE-2011-1931 was published on 2011-07-07 and last updated on 2026-06-16.

References

Affected products (114)

cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.3.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.3.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.3.4:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.4:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.5:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.6:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.7:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.8:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.9:pre1:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5.4:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.6:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.3:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.3.1:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.3.2:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.3.3:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.3.4:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.4.4:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.4.5:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.4.6:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.4.7:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.4.8:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.4.9:pre1:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.5:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:0.5.4:*:*:*:*:*:*:*

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