CVE-2026-52295

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-52295
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-52295.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-52295
Downstream
Published
2026-09-01T00:00:00Z
Modified
2026-09-15T08:07:19Z
Severity
  • 2.9 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

FFmpeg before 9.0 has an out-of-bounds read because the copied extradata lacked required padding before GetBitContext-based access in libavformat/iamf_writer.c.

Database specific 
{
    "cna_assigner":  "mitre",
    "cwe_ids":  [
        "CWE-125"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52295.json"
}
References

Affected packages

Git / git.ffmpeg.org/ffmpeg.git

Affected ranges

Type
GIT
Repo
https://git.ffmpeg.org/ffmpeg.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
d32b387f2b0a484599d4587d651891f0c63c4238
Fixed
8439e0203744a30d280668fcd086f74ed5001da1
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "9.0"
        }
    ],
    "source":  [
        "DESCRIPTION",
        "REFERENCES"
    ]
}

Affected versions

Other
N
n0.*
n0.11-dev
n0.12-dev
n0.8
n1.*
n1.1-dev
n1.2-dev
n1.3-dev
n2.*
n2.0
n2.1-dev
n2.2-dev
n2.3-dev
n2.4-dev
n2.5-dev
n2.6-dev
n2.7-dev
n2.8-dev
n2.9-dev
n3.*
n3.1-dev
n3.2-dev
n3.3-dev
n3.4-dev
n3.5-dev
n4.*
n4.1-dev
n4.2-dev
n4.3-dev
n4.4-dev
n4.5-dev
n5.*
n5.1-dev
n5.2-dev
n6.*
n6.1-dev
n6.2-dev
n7.*
n7.1-dev
n7.2-dev
n8.*
n8.1-dev
n8.2-dev

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-52295.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "213187939425304004657797137271459483059",
                "166977388366547084910410557537571803444",
                "329902299573159492122817651982775202057",
                "184131934009068092956195143759677125704",
                "203055119416885039057391653613598879768",
                "227099284709818246005972368990906323559",
                "329113515924021422644823400989514724141",
                "77352994146092946999042776411430446326",
                "161592234422956537053395329513982460379",
                "324724150736635299369932042787236968479",
                "179110089019027239240202781357788527731",
                "218367144637358227721713956835207613208",
                "163780106696561946764870506847775105853",
                "124091039373588915027270083954960409798",
                "201079958134157239152686027061272201643",
                "336963843026090243669855826584226371657",
                "256644058776546516912272245352949983633"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2026-52295-2f4c54fb",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://git.ffmpeg.org/ffmpeg.git@8439e0203744a30d280668fcd086f74ed5001da1",
        "target":  {
            "file":  "libavformat/iamf_writer.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "322514834074816865179724359903979620460",
            "length":  4327
        },
        "id":  "CVE-2026-52295-7166821e",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://git.ffmpeg.org/ffmpeg.git@8439e0203744a30d280668fcd086f74ed5001da1",
        "target":  {
            "file":  "libavformat/mov.c",
            "function":  "mov_read_iacb"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "165958079035524414244505411491233683748",
                "318573864323630784065874539228515079239",
                "79698396128858926341181147044581016854",
                "213992027193830596330221464221717830441",
                "134108485391336427758657759050506289808",
                "39952423092959415094190664015582996831",
                "334166153814024706388506809557115196771"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2026-52295-b851170a",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://git.ffmpeg.org/ffmpeg.git@8439e0203744a30d280668fcd086f74ed5001da1",
        "target":  {
            "file":  "libavformat/mov.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "195688002327067465305765588221319015242",
                "309288324102816931239308632619998175099",
                "208198982209572275918917816535860937592",
                "231555107084919634110330250551123341431",
                "168010716807985158773806969924424380093",
                "204275076296265396432751791373547480918",
                "230743041424433407137898346131591666852",
                "121645463046297428931382762675379161144",
                "64606519716965107927271010747911179138",
                "73767112427060832523002513151109600034",
                "219167262246002076747638059747044171272"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2026-52295-bded55e5",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://git.ffmpeg.org/ffmpeg.git@d32b387f2b0a484599d4587d651891f0c63c4238",
        "target":  {
            "file":  "libavformat/rawutils.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "95585342688571589449512382820310933372",
            "length":  1096
        },
        "id":  "CVE-2026-52295-bfd07778",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://git.ffmpeg.org/ffmpeg.git@d32b387f2b0a484599d4587d651891f0c63c4238",
        "target":  {
            "file":  "libavformat/rawutils.c",
            "function":  "ff_reshuffle_raw_rgb"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "339505953897374290551312392816841289198",
            "length":  1861
        },
        "id":  "CVE-2026-52295-c88ed65d",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://git.ffmpeg.org/ffmpeg.git@8439e0203744a30d280668fcd086f74ed5001da1",
        "target":  {
            "file":  "libavformat/iamf_writer.c",
            "function":  "fill_codec_config"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "61552445631594543702034701366179963285",
            "length":  1903
        },
        "id":  "CVE-2026-52295-cdcd1f4e",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://git.ffmpeg.org/ffmpeg.git@8439e0203744a30d280668fcd086f74ed5001da1",
        "target":  {
            "file":  "libavformat/iamf_writer.c",
            "function":  "ff_iamf_write_audio_frame"
        }
    }
]
vanir_signatures_modified 
"2026-09-15T08:07:19Z"