UBUNTU-CVE-2021-3345

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Source
https://ubuntu.com/security/CVE-2021-3345
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3345.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-3345
Upstream
Withdrawn
2025-07-18T16:46:25Z
Published
2021-01-29T15:15:00Z
Modified
2025-07-16T07:42:47.043615Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - high
Summary
[none]
Details

gcrymdblockwrite in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libgcrypt11

Package

Name
libgcrypt11
Purl
pkg:deb/ubuntu/libgcrypt11@1.5.3-2ubuntu4.6+esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.3-2ubuntu4.6+esm1

Affected versions

1.*

1.5.0-3ubuntu3
1.5.3-2ubuntu1
1.5.3-2ubuntu4
1.5.3-2ubuntu4.1
1.5.3-2ubuntu4.2
1.5.3-2ubuntu4.3
1.5.3-2ubuntu4.4
1.5.3-2ubuntu4.5
1.5.3-2ubuntu4.6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgcrypt11",
            "binary_version": "1.5.3-2ubuntu4.6+esm1"
        },
        {
            "binary_name": "libgcrypt11-dbg",
            "binary_version": "1.5.3-2ubuntu4.6+esm1"
        },
        {
            "binary_name": "libgcrypt11-dbgsym",
            "binary_version": "1.5.3-2ubuntu4.6+esm1"
        },
        {
            "binary_name": "libgcrypt11-dev",
            "binary_version": "1.5.3-2ubuntu4.6+esm1"
        },
        {
            "binary_name": "libgcrypt11-dev-dbgsym",
            "binary_version": "1.5.3-2ubuntu4.6+esm1"
        },
        {
            "binary_name": "libgcrypt11-doc",
            "binary_version": "1.5.3-2ubuntu4.6+esm1"
        },
        {
            "binary_name": "libgcrypt11-udeb",
            "binary_version": "1.5.3-2ubuntu4.6+esm1"
        },
        {
            "binary_name": "libgcrypt11-udeb-dbgsym",
            "binary_version": "1.5.3-2ubuntu4.6+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:16.04:LTS / libgcrypt20

Package

Name
libgcrypt20
Purl
pkg:deb/ubuntu/libgcrypt20@1.6.5-2ubuntu0.6?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.6.5-2ubuntu0.6

Affected versions

1.*

1.6.3-2ubuntu1
1.6.4-3
1.6.4-4
1.6.4-5
1.6.5-2
1.6.5-2ubuntu0.2
1.6.5-2ubuntu0.3
1.6.5-2ubuntu0.4
1.6.5-2ubuntu0.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgcrypt11-dev",
            "binary_version": "1.5.4-3+really1.6.5-2ubuntu0.6"
        },
        {
            "binary_name": "libgcrypt20",
            "binary_version": "1.6.5-2ubuntu0.6"
        },
        {
            "binary_name": "libgcrypt20-dbgsym",
            "binary_version": "1.6.5-2ubuntu0.6"
        },
        {
            "binary_name": "libgcrypt20-dev",
            "binary_version": "1.6.5-2ubuntu0.6"
        },
        {
            "binary_name": "libgcrypt20-dev-dbgsym",
            "binary_version": "1.6.5-2ubuntu0.6"
        },
        {
            "binary_name": "libgcrypt20-doc",
            "binary_version": "1.6.5-2ubuntu0.6"
        },
        {
            "binary_name": "libgcrypt20-udeb",
            "binary_version": "1.6.5-2ubuntu0.6"
        },
        {
            "binary_name": "libgcrypt20-udeb-dbgsym",
            "binary_version": "1.6.5-2ubuntu0.6"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / libgcrypt20

Package

Name
libgcrypt20
Purl
pkg:deb/ubuntu/libgcrypt20@1.8.1-4ubuntu1.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.8.1-4ubuntu1.2

Affected versions

1.*

1.7.8-2ubuntu1
1.7.9-1
1.8.1-4
1.8.1-4ubuntu1
1.8.1-4ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgcrypt-mingw-w64-dev",
            "binary_version": "1.8.1-4ubuntu1.2"
        },
        {
            "binary_name": "libgcrypt11-dev",
            "binary_version": "1.5.4-3+really1.8.1-4ubuntu1.2"
        },
        {
            "binary_name": "libgcrypt20",
            "binary_version": "1.8.1-4ubuntu1.2"
        },
        {
            "binary_name": "libgcrypt20-dbgsym",
            "binary_version": "1.8.1-4ubuntu1.2"
        },
        {
            "binary_name": "libgcrypt20-dev",
            "binary_version": "1.8.1-4ubuntu1.2"
        },
        {
            "binary_name": "libgcrypt20-dev-dbgsym",
            "binary_version": "1.8.1-4ubuntu1.2"
        },
        {
            "binary_name": "libgcrypt20-doc",
            "binary_version": "1.8.1-4ubuntu1.2"
        },
        {
            "binary_name": "libgcrypt20-udeb",
            "binary_version": "1.8.1-4ubuntu1.2"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / libgcrypt20

Package

Name
libgcrypt20
Purl
pkg:deb/ubuntu/libgcrypt20@1.8.5-5ubuntu1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.8.5-5ubuntu1

Affected versions

1.*

1.8.4-5ubuntu2
1.8.5-3ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgcrypt-mingw-w64-dev",
            "binary_version": "1.8.5-5ubuntu1"
        },
        {
            "binary_name": "libgcrypt20",
            "binary_version": "1.8.5-5ubuntu1"
        },
        {
            "binary_name": "libgcrypt20-dbgsym",
            "binary_version": "1.8.5-5ubuntu1"
        },
        {
            "binary_name": "libgcrypt20-dev",
            "binary_version": "1.8.5-5ubuntu1"
        },
        {
            "binary_name": "libgcrypt20-dev-dbgsym",
            "binary_version": "1.8.5-5ubuntu1"
        },
        {
            "binary_name": "libgcrypt20-doc",
            "binary_version": "1.8.5-5ubuntu1"
        },
        {
            "binary_name": "libgcrypt20-udeb",
            "binary_version": "1.8.5-5ubuntu1"
        }
    ],
    "availability": "No subscription required"
}