CVE-2020-35965

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Source
https://cve.org/CVERecord?id=CVE-2020-35965
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35965.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-35965
Downstream
CLEANSTART (3)
DEBIAN (1)
JLSEC (1)
MGASA (1)
OESA (2)
openSUSE (1)
SUSE (2)
UBUNTU (1)
Related
openSUSE (1)
SUSE (2)
Published
2021-01-04T02:15:11Z
Modified
2026-08-17T05:26:15Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write because of errors in calculations of when to perform memset zero operations.

Database specific 
{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "9.0"
                },
                {
                    "last_affected":  "9.0"
                },
                {
                    "introduced":  "10.0"
                },
                {
                    "last_affected":  "10.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "debian:debian_linux"
        }
    ]
}
References

Affected packages

Git / git.ffmpeg.org/ffmpeg.git

Affected ranges

Type
GIT
Repo
https://git.ffmpeg.org/ffmpeg.git
Events
Introduced
6b6b9e593dd4d3aaf75f48d40a13ef03bdef9fdb
Fixed
c5079bf3bccd24bf8ed45ff47ff4071fd09e9fd8
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "4.3.1"
        },
        {
            "fixed":  "4.4"
        }
    ],
    "source":  "CPE_RANGE"
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35965.json"

Git / github.com/ffmpeg/ffmpeg

Affected ranges

Type
GIT
Repo
https://github.com/ffmpeg/ffmpeg
Events
Introduced
6b6b9e593dd4d3aaf75f48d40a13ef03bdef9fdb
Fixed
c5079bf3bccd24bf8ed45ff47ff4071fd09e9fd8
Fixed
3e5959b3457f7f1856d997261e6ac672bba49e8b
Fixed
b0a8b40294ea212c1938348ff112ef1b9bf16bb3
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "4.3.1"
        },
        {
            "fixed":  "4.4"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35965.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "124937820520588315441984477221866751122",
            "length":  3851
        },
        "id":  "CVE-2020-35965-e8160555",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/ffmpeg/ffmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b",
        "target":  {
            "file":  "libavcodec/exr.c",
            "function":  "decode_frame"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "11453760296080827596215104085033325511",
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                "68840693532925938066564762591449107621"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2020-35965-fdcf59d3",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/ffmpeg/ffmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b",
        "target":  {
            "file":  "libavcodec/exr.c"
        }
    }
]
vanir_signatures_modified 
"2026-08-17T05:26:15Z"