Catalogo CVE

CVE-2021-36977

libmatio affected and fixed versions

matio (aka MAT File I/O Library) 1.5.20 and 1.5.21 has a heap-based buffer overflow in H5MM_memcpy (called from H5MM_malloc and H5C_load_entry), related to use of HDF5 1.12.0.

Gravità: Medium · CVSS 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: May 24, 2021, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.50% · Oct 27, 2026

Projects and upstream resources

[libmatio][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / release	Package	Version	Status	Source
Debiantrixie	libmatio	Not reported	Not affectedDistribution reports not affected	[CVE-2021-36977]
Debiantrixie	libmatio	`1.5.28-2`	Not affected	[CVE-2021-36977]
Debiansid	libmatio	Not reported	Not affectedDistribution reports not affected	[CVE-2021-36977]
Debiansid	libmatio	`1.6.0-2`	Not affected	[CVE-2021-36977]
Ubuntupro	libmatio	`1.5.19-2`	UnknownSource applicability is not established	[UBUNTU-CVE-2021-36977]Apr 22, 2026, 12:57:50 PM UTC
Ubuntupro	libmatio	`1.5.21-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2021-36977]Apr 22, 2026, 12:57:50 PM UTC
Ubuntupro	libmatio	`1.5.21-1ubuntu0.1~esm1`	UnknownSource applicability is not established	[UBUNTU-CVE-2021-36977]Apr 22, 2026, 12:57:50 PM UTC
Debianforky	libmatio	Not reported	Not affectedDistribution reports not affected	[CVE-2021-36977]
Debianforky	libmatio	`1.6.0-2`	Not affected	[CVE-2021-36977]
Debianbookworm-security	libmatio	`1.5.23-2+deb12u1`	Not affected	[CVE-2021-36977]
Debianbookworm	libmatio	Not reported	Not affectedDistribution reports not affected	[CVE-2021-36977]
Debianbookworm	libmatio	`1.5.23-2+deb12u1`	Not affected	[CVE-2021-36977]

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
Debianbookworm	libmatio	Not reported	Not affectedDistribution reports not affected	[CVE-2021-36977]
Debianbookworm	libmatio	`1.5.23-2+deb12u1`	Not affected	[CVE-2021-36977]
Debianbookworm-security	libmatio	`1.5.23-2+deb12u1`	Not affected	[CVE-2021-36977]
Debianforky	libmatio	Not reported	Not affectedDistribution reports not affected	[CVE-2021-36977]
Debianforky	libmatio	`1.6.0-2`	Not affected	[CVE-2021-36977]
Debiansid	libmatio	Not reported	Not affectedDistribution reports not affected	[CVE-2021-36977]
Debiansid	libmatio	`1.6.0-2`	Not affected	[CVE-2021-36977]
Debiantrixie	libmatio	Not reported	Not affectedDistribution reports not affected	[CVE-2021-36977]
Debiantrixie	libmatio	`1.5.28-2`	Not affected	[CVE-2021-36977]
Ubuntupro	libmatio	`1.5.19-2`	UnknownSource applicability is not established	[UBUNTU-CVE-2021-36977]Apr 22, 2026, 12:57:50 PM UTC
Ubuntupro	libmatio	`1.5.21-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2021-36977]Apr 22, 2026, 12:57:50 PM UTC
Ubuntupro	libmatio	`1.5.21-1ubuntu0.1~esm1`	UnknownSource applicability is not established	[UBUNTU-CVE-2021-36977]Apr 22, 2026, 12:57:50 PM UTC

Original provider fields

{
  "package_releases": [
    {
      "name": "libmatio",
      "status": "not affected",
      "release": "sid",
      "version": "1.6.0-2"
    },
    {
      "name": "libmatio",
      "status": "not affected",
      "release": "forky",
      "version": "1.6.0-2"
    },
    {
      "name": "libmatio",
      "status": "not affected",
      "release": "trixie",
      "version": "1.5.28-2"
    },
    {
      "name": "libmatio",
      "status": "not affected",
      "release": "bookworm",
      "version": "1.5.23-2+deb12u1"
    },
    {
      "name": "libmatio",
      "status": "not affected",
      "release": "bookworm-security",
      "version": "1.5.23-2+deb12u1"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "libmatio",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "libmatio",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "libmatio",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "libmatio",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": "0"
    }
  ],
  "distribution_packages": [
    {
      "name": "libmatio",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "1.5.19-2",
        "1.5.21-1",
        "1.5.21-1ubuntu0.1~esm1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-36977",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2021-36977",
      "provider_updated_at": "2026-04-22T12:57:50.469866Z",
      "applicability_unknown": true
    }
  ]
}

OpenFactory catalog packages

L’associazione dei pacchetti è in corso.

[Debian 12 (Bookworm)]

[libmatio11]Sconosciuto
Pacchetto sorgente: [libmatio]
Dettagli (4)
- 1.5.23-2+deb12u1 · amd64 · bookworm
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · arm64 · bookworm
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · amd64 · bookworm-security
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · arm64 · bookworm-security
  Non interessata
  dsa · libmatio · debian · bookworm
[libmatio-dev]Sconosciuto
Pacchetto sorgente: [libmatio]
Dettagli (4)
- 1.5.23-2+deb12u1 · amd64 · bookworm
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · arm64 · bookworm
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · amd64 · bookworm-security
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · arm64 · bookworm-security
  Non interessata
  dsa · libmatio · debian · bookworm
[libmatio-doc]Sconosciuto
Pacchetto sorgente: [libmatio]
Dettagli (4)
- 1.5.23-2+deb12u1 · all · bookworm
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · all · bookworm
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · all · bookworm-security
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · all · bookworm-security
  Non interessata
  dsa · libmatio · debian · bookworm
[matio-tools]Sconosciuto
Pacchetto sorgente: [libmatio]
Dettagli (4)
- 1.5.23-2+deb12u1 · amd64 · bookworm
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · arm64 · bookworm
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · amd64 · bookworm-security
  Non interessata
  dsa · libmatio · debian · bookworm
- 1.5.23-2+deb12u1 · arm64 · bookworm-security
  Non interessata
  dsa · libmatio · debian · bookworm

Osservato: Oct 23, 2026, 5:59:07 PM UTC

Riferimenti

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]