DEBIAN-CVE-2021-20314

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Source
https://security-tracker.debian.org/tracker/CVE-2021-20314
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20314.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-20314
Upstream
Published
2021-08-12T15:15:07.657Z
Modified
2025-11-14T04:04:00.935451Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages.

References

Affected packages

Debian:11 / libspf2

Package

Name
libspf2
Purl
pkg:deb/debian/libspf2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.10-7.1~deb11u1

Affected versions

1.*
1.2.10-7
1.2.10-7.1~deb10u1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20314.json"

Debian:12 / libspf2

Package

Name
libspf2
Purl
pkg:deb/debian/libspf2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.10-7.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20314.json"

Debian:13 / libspf2

Package

Name
libspf2
Purl
pkg:deb/debian/libspf2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.10-7.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20314.json"

Debian:14 / libspf2

Package

Name
libspf2
Purl
pkg:deb/debian/libspf2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.10-7.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20314.json"