DEBIAN-CVE-2021-40648

Source
https://security-tracker.debian.org/tracker/CVE-2021-40648
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40648.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-40648
Upstream
Published
2022-09-09T18:15:09Z
Modified
2026-09-01T20:04:32Z
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, fd_nextsize, bk_nextsize of the current chunk. The next chunk is then freed later on, causing a freeing of an arbitrary amount of memory.

References

Affected packages

Debian:12 / man2html

Package

Name
man2html
Purl
pkg:deb/debian/man2html?arch=source&distro=bookworm

Affected ranges

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

Affected versions

1.*
1.6g-14
1.6g-15
1.6g-16

Ecosystem specific

{
    "urgency": "unimportant"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40648.json"

Debian:13 / man2html

Package

Name
man2html
Purl
pkg:deb/debian/man2html?arch=source&distro=trixie

Affected ranges

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

Affected versions

1.*
1.6g-16

Ecosystem specific

{
    "urgency": "unimportant"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40648.json"

Debian:14 / man2html

Package

Name
man2html
Purl
pkg:deb/debian/man2html?arch=source&distro=forky

Affected ranges

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

Affected versions

1.*
1.6g-16

Ecosystem specific

{
    "urgency": "unimportant"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40648.json"