UBUNTU-CVE-2021-40648

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Source
https://ubuntu.com/security/CVE-2021-40648
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40648.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-40648
Related
Published
2022-09-09T18:15:00Z
Modified
2024-10-15T14:08:25Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In man2html 1.6g, a filename can be created to overwrite the previous size parameter of the next chunk and the fd, bk, fdnextsize, bknextsize of the current chunk. The next chunk is then freed later on, causing a freeing of an arbitrary amount of memory.

References

Affected packages

Ubuntu:Pro:16.04:LTS / man2html

Package

Name
man2html
Purl
pkg:deb/ubuntu/man2html?arch=src?distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.6g-7
1.6g-8

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / man2html

Package

Name
man2html
Purl
pkg:deb/ubuntu/man2html?arch=src?distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.6g-9
1.6g-9ubuntu1
1.6g-11

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:20.04:LTS / man2html

Package

Name
man2html
Purl
pkg:deb/ubuntu/man2html?arch=src?distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.6g-12

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:22.04:LTS / man2html

Package

Name
man2html
Purl
pkg:deb/ubuntu/man2html?arch=src?distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.6g-14

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:24.10 / man2html

Package

Name
man2html
Purl
pkg:deb/ubuntu/man2html?arch=src?distro=oracular

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.6g-16

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:24.04:LTS / man2html

Package

Name
man2html
Purl
pkg:deb/ubuntu/man2html?arch=src?distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.6g-14
1.6g-15
1.6g-16

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}