How severe is CVE-2013-7021?

CVE-2013-7021 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2013-7021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-7021?

CVE-2013-7021 primarily affects Ffmpeg. In total, 64 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-7021?

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

When was CVE-2013-7021 published?

CVE-2013-7021 was published on 2013-12-09 and last updated on 2026-06-17.

CVE-2013-7021

CVE-2013-7021 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Ffmpeg
Published: 2013-12-09
Last modified: 2026-06-17

Description

The filter_frame function in libavfilter/vf_fps.c in FFmpeg before 2.1 does not properly ensure the availability of FIFO content, which allows remote attackers to cause a denial of service (double free) or possibly have unspecified other impact via crafted data.

Frequently asked questions

What is CVE-2013-7021?: The filter_frame function in libavfilter/vf_fps.c in FFmpeg before 2.1 does not properly ensure the availability of FIFO content, which allows remote attackers to cause a denial of service (double free) or possibly have unspecified other impact via crafted data.
How severe is CVE-2013-7021?: CVE-2013-7021 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2013-7021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-7021?: CVE-2013-7021 primarily affects Ffmpeg. In total, 64 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-7021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-7021 published?: CVE-2013-7021 was published on 2013-12-09 and last updated on 2026-06-17.

References

Affected products (64)

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:0.5.4.5:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5.4.6:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5.5:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.6:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.6.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.4:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.5:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.6:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.7:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.8:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.9:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.11:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.12:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.8.0:*:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

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CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →