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.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
},
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
}
],
"vendor_product": "debian:debian_linux",
"source": "CPE_STRING",
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
]
}
]
}[
{
"signature_type": "Function",
"deprecated": false,
"signature_version": "v1",
"digest": {
"length": 3851.0,
"function_hash": "124937820520588315441984477221866751122"
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b",
"id": "CVE-2020-35965-e8160555",
"target": {
"function": "decode_frame",
"file": "libavcodec/exr.c"
}
},
{
"signature_type": "Line",
"deprecated": false,
"signature_version": "v1",
"digest": {
"line_hashes": [
"11453760296080827596215104085033325511",
"338685430887148091291965859791680091872",
"172064141470120326502547602228483699307",
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],
"threshold": 0.9
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b",
"id": "CVE-2020-35965-fdcf59d3",
"target": {
"file": "libavcodec/exr.c"
}
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-35965.json"
"2026-07-27T11:37:06Z"