CVE catalog

CVE-2021-31347

netcdf affected and fixed versions

An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_parse_str() performs incorrect memory handling while parsing crafted XML files (writing outside a memory region created by mmap).

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Jan 1, 2021, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.11% · Oct 27, 2026

Projects and upstream resources

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	netcdf	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debiantrixie	netcdf	`1:4.9.3-1`	Fixed	[CVE-2021-31347]
Debiantrixie	netcdf-parallel	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debiantrixie	netcdf-parallel	`1:4.9.3-2`	Fixed	[CVE-2021-31347]
Debiansid	netcdf	`1:4.10.1-1`	Fixed	[CVE-2021-31347]
Debiansid	netcdf	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debiansid	netcdf-parallel	`1:4.10.1-2`	Fixed	[CVE-2021-31347]
Debiansid	netcdf-parallel	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debiansid	scilab	`2024.1.0+dfsg1-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debiansid	scilab	`2024.1.0+dfsg1-4`	Fixed	[CVE-2021-31347]
Debianforky	netcdf	`1:4.10.1-1`	Fixed	[CVE-2021-31347]
Debianforky	netcdf	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]

Showing 12 fix observations. All 33 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
UnknownRelease not reported	mapcache	Not reported	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	scilab	Not reported	UnknownSource applicability is not established	Provider not reported
Debianbookworm	mapcache	Not reported	AffectedDistribution reports no fix	[CVE-2021-31347]
Debianbookworm	mapcache	`1.14.0-1`	Affected	[CVE-2021-31347]
Debianbookworm	netcdf	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debianbookworm	netcdf	`1:4.9.0-3`	Fixed	[CVE-2021-31347]
Debianbookworm	netcdf-parallel	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debianbookworm	scilab	Not reported	AffectedDistribution reports no fix	[CVE-2021-31347]
Debianbookworm	scilab	`6.1.1+dfsg2-6`	Affected	[CVE-2021-31347]
Debianforky	mapcache	Not reported	AffectedDistribution reports no fix	[CVE-2021-31347]
Debianforky	mapcache	`1.16.0-1`	Affected	[CVE-2021-31347]
Debianforky	netcdf	`1:4.10.1-1`	Fixed	[CVE-2021-31347]
Debianforky	netcdf	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debianforky	netcdf-parallel	`1:4.10.1-2`	Fixed	[CVE-2021-31347]
Debianforky	netcdf-parallel	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debianforky	scilab	`2024.1.0+dfsg1-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debianforky	scilab	`2024.1.0+dfsg1-4`	Fixed	[CVE-2021-31347]
Debiansid	mapcache	Not reported	AffectedDistribution reports no fix	[CVE-2021-31347]
Debiansid	mapcache	`1.16.0-1`	Affected	[CVE-2021-31347]
Debiansid	netcdf	`1:4.10.1-1`	Fixed	[CVE-2021-31347]
Debiansid	netcdf	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debiansid	netcdf-parallel	`1:4.10.1-2`	Fixed	[CVE-2021-31347]
Debiansid	netcdf-parallel	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debiansid	scilab	`2024.1.0+dfsg1-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debiansid	scilab	`2024.1.0+dfsg1-4`	Fixed	[CVE-2021-31347]
Debiantrixie	mapcache	Not reported	AffectedDistribution reports no fix	[CVE-2021-31347]
Debiantrixie	mapcache	`1.14.1-3`	Affected	[CVE-2021-31347]
Debiantrixie	netcdf	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debiantrixie	netcdf	`1:4.9.3-1`	Fixed	[CVE-2021-31347]
Debiantrixie	netcdf-parallel	`1:4.9.0-1`	FixedDistribution-reported fixed boundary	[CVE-2021-31347]
Debiantrixie	netcdf-parallel	`1:4.9.3-2`	Fixed	[CVE-2021-31347]
Debiantrixie	scilab	Not reported	AffectedDistribution reports no fix	[CVE-2021-31347]
Debiantrixie	scilab	`2024.1.0+dfsg-6+deb13u1`	Affected	[CVE-2021-31347]

Original provider fields

{
  "package_releases": [
    {
      "name": "netcdf",
      "status": "fixed",
      "release": "sid",
      "version": "1:4.10.1-1"
    },
    {
      "name": "netcdf",
      "status": "fixed",
      "release": "forky",
      "version": "1:4.10.1-1"
    },
    {
      "name": "netcdf",
      "status": "fixed",
      "release": "trixie",
      "version": "1:4.9.3-1"
    },
    {
      "name": "netcdf",
      "status": "fixed",
      "release": "bookworm",
      "version": "1:4.9.0-3"
    },
    {
      "name": "scilab",
      "status": "fixed",
      "release": "sid",
      "version": "2024.1.0+dfsg1-4"
    },
    {
      "name": "scilab",
      "status": "fixed",
      "release": "forky",
      "version": "2024.1.0+dfsg1-4"
    },
    {
      "name": "scilab",
      "status": "vulnerable",
      "release": "trixie",
      "version": "2024.1.0+dfsg-6+deb13u1"
    },
    {
      "name": "scilab",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "6.1.1+dfsg2-6"
    },
    {
      "name": "mapcache",
      "status": "vulnerable",
      "release": "sid",
      "version": "1.16.0-1"
    },
    {
      "name": "mapcache",
      "status": "vulnerable",
      "release": "forky",
      "version": "1.16.0-1"
    },
    {
      "name": "mapcache",
      "status": "vulnerable",
      "release": "trixie",
      "version": "1.14.1-3"
    },
    {
      "name": "mapcache",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "1.14.0-1"
    },
    {
      "name": "netcdf-parallel",
      "status": "fixed",
      "release": "sid",
      "version": "1:4.10.1-2"
    },
    {
      "name": "netcdf-parallel",
      "status": "fixed",
      "release": "forky",
      "version": "1:4.10.1-2"
    },
    {
      "name": "netcdf-parallel",
      "status": "fixed",
      "release": "trixie",
      "version": "1:4.9.3-2"
    },
    {
      "name": "netcdf-parallel",
      "status": "fixed",
      "release": "bookworm",
      "version": "1:4.9.0-1"
    }
  ],
  "fixed_versions": [
    {
      "bug": 989360,
      "name": "netcdf",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1:4.9.0-1"
    },
    {
      "bug": 989360,
      "name": "netcdf",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1:4.9.0-1"
    },
    {
      "bug": 989360,
      "name": "netcdf",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1:4.9.0-1"
    },
    {
      "bug": 989360,
      "name": "netcdf",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "1:4.9.0-1"
    },
    {
      "bug": 989364,
      "name": "scilab",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": "2024.1.0+dfsg1-1"
    },
    {
      "bug": 989364,
      "name": "scilab",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": "2024.1.0+dfsg1-1"
    },
    {
      "bug": 989364,
      "name": "scilab",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": 989364,
      "name": "scilab",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": 989363,
      "name": "mapcache",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": 989363,
      "name": "mapcache",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": 989363,
      "name": "mapcache",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": 989363,
      "name": "mapcache",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": 989361,
      "name": "netcdf-parallel",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1:4.9.0-1"
    },
    {
      "bug": 989361,
      "name": "netcdf-parallel",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1:4.9.0-1"
    },
    {
      "bug": 989361,
      "name": "netcdf-parallel",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1:4.9.0-1"
    },
    {
      "bug": 989361,
      "name": "netcdf-parallel",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "1:4.9.0-1"
    }
  ],
  "distribution_packages": [
    {
      "name": "mapcache",
      "fixed_version": "not yet fixed",
      "applicability_unknown": true
    },
    {
      "name": "scilab",
      "fixed_version": "not yet fixed",
      "applicability_unknown": true
    }
  ]
}

[Debian bug #989360][Debian bug #989364][Debian bug #989363][Debian bug #989361]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[libapache2-mod-mapcache]Unknown
Source package: [mapcache]
Details (4)
- 1.14.0-1 · amd64 · bookworm
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.0-1 · arm64 · bookworm
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.1-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.1-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
[libmapcache1]Unknown
Source package: [mapcache]
Details (4)
- 1.14.0-1 · amd64 · bookworm
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.0-1 · arm64 · bookworm
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.1-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.1-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
[libmapcache1-dev]Unknown
Source package: [mapcache]
Details (2)
- 1.14.0-1 · amd64 · bookworm
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.0-1 · arm64 · bookworm
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
[libmapcache-dev]Unknown
Source package: [mapcache]
Details (2)
- 1.14.1-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.1-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
[libnetcdf19]Unknown
Source package: [netcdf]
Details (2)
- 1:4.9.0-3+b1 · amd64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf · debian · bookworm; dsa · netcdf · debian · 12
- 1:4.9.0-3+b1 · arm64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf · debian · bookworm; dsa · netcdf · debian · 12
[libnetcdf-dev]Unknown
Source package: [netcdf]
Details (2)
- 1:4.9.0-3+b1 · amd64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf · debian · bookworm; dsa · netcdf · debian · 12
- 1:4.9.0-3+b1 · arm64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf · debian · bookworm; dsa · netcdf · debian · 12
[libnetcdf-mpi-19]Unknown
Source package: [netcdf-parallel]
Details (2)
- 1:4.9.0-1+b1 · amd64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf-parallel · debian · bookworm; dsa · netcdf-parallel · debian · 12
- 1:4.9.0-1+b1 · arm64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf-parallel · debian · bookworm; dsa · netcdf-parallel · debian · 12
[libnetcdf-mpi-dev]Unknown
Source package: [netcdf-parallel]
Details (2)
- 1:4.9.0-1+b1 · amd64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf-parallel · debian · bookworm; dsa · netcdf-parallel · debian · 12
- 1:4.9.0-1+b1 · arm64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf-parallel · debian · bookworm; dsa · netcdf-parallel · debian · 12
[libnetcdf-pnetcdf-19]Unknown
Source package: [netcdf-parallel]
Details (2)
- 1:4.9.0-1+b1 · amd64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf-parallel · debian · bookworm; dsa · netcdf-parallel · debian · 12
- 1:4.9.0-1+b1 · arm64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf-parallel · debian · bookworm; dsa · netcdf-parallel · debian · 12
[libnetcdf-pnetcdf-dev]Unknown
Source package: [netcdf-parallel]
Details (2)
- 1:4.9.0-1+b1 · amd64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf-parallel · debian · bookworm; dsa · netcdf-parallel · debian · 12
- 1:4.9.0-1+b1 · arm64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf-parallel · debian · bookworm; dsa · netcdf-parallel · debian · 12
[mapcache-cgi]Unknown
Source package: [mapcache]
Details (4)
- 1.14.0-1 · amd64 · bookworm
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.0-1 · arm64 · bookworm
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.1-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.1-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
[mapcache-tools]Unknown
Source package: [mapcache]
Details (4)
- 1.14.0-1 · amd64 · bookworm
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.0-1 · arm64 · bookworm
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.1-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
- 1.14.1-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  dsa · mapcache · debian · bookworm; dsa · mapcache · debian · 12
[netcdf-bin]Unknown
Source package: [netcdf]
Details (2)
- 1:4.9.0-3+b1 · amd64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf · debian · bookworm; dsa · netcdf · debian · 12
- 1:4.9.0-3+b1 · arm64 · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf · debian · bookworm; dsa · netcdf · debian · 12
[netcdf-doc]Unknown
Source package: [netcdf]
Details (2)
- 1:4.9.0-3 · all · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf · debian · bookworm; dsa · netcdf · debian · 12
- 1:4.9.0-3 · all · bookworm
  Fixed · Fixed: 1:4.9.0-1
  dsa · netcdf · debian · bookworm; dsa · netcdf · debian · 12
[scilab]Unknown
Details (2)
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12
[scilab-cli]Unknown
Source package: [scilab]
Details (2)
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12
[scilab-data]Unknown
Source package: [scilab]
Details (2)
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12
[scilab-doc]Unknown
Source package: [scilab]
Details (2)
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12
[scilab-doc-fr]Unknown
Source package: [scilab]
Details (2)
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12
[scilab-doc-ja]Unknown
Source package: [scilab]
Details (2)
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12
- 6.1.1+dfsg2-6 · all · bookworm
  Affected
  dsa · scilab · debian · bookworm; dsa · scilab · debian · 12

Next results

Observed: Oct 23, 2026, 5:56:52 PM UTC

References

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