Is CVE-2013-2277 in the CISA KEV catalog?

No. CVE-2013-2277 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-2277?

CVE-2013-2277 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2013-2277?

CVE-2013-2277 has an EPSS score of 1.99% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-2277?

Upgrade ffmpeg on debian 11 to 7:2.4.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2013-2277

HIGHEPSS 78th pctl

7.5

CVSS v2

NVD

Description

The ff_h264_decode_seq_parameter_set function in h264_ps.c in libavcodec in FFmpeg before 1.1.3 does not validate the relationship between luma depth and chroma depth, which allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via crafted H.264 data.

How to fix

Remediation Available

ffmpegDebian

Fixed in:7:2.4.1-1CVE-2013-2277

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.99%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.