DEBIAN-CVE-2021-36087

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Source
https://security-tracker.debian.org/tracker/CVE-2021-36087
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-36087.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-36087
Upstream
Published
2021-07-01T03:15:08Z
Modified
2025-09-30T05:15:10.575358Z
Severity
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

The CIL compiler in SELinux 3.2 has a heap-based buffer over-read in ebitmapmatchany (called indirectly from cilcheckneverallow). This occurs because there is sometimes a lack of checks for invalid statements in an optional block.

References

Affected packages

Debian:11 / libsepol

Package

Name
libsepol
Purl
pkg:deb/debian/libsepol?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1-1+deb11u1

Affected versions

3.*

3.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / libsepol

Package

Name
libsepol
Purl
pkg:deb/debian/libsepol?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / libsepol

Package

Name
libsepol
Purl
pkg:deb/debian/libsepol?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / libsepol

Package

Name
libsepol
Purl
pkg:deb/debian/libsepol?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}