DEBIAN-CVE-2011-4528

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Source
https://security-tracker.debian.org/tracker/CVE-2011-4528
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2011-4528.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2011-4528
Upstream
Published
2011-12-20T11:55:05.757Z
Modified
2025-11-14T03:11:59.975371Z
Summary
[none]
Details

Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response.

References

Affected packages

Debian:11 / unbound

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.4.14-1

Ecosystem specific 

{
    "urgency": "medium"
}

Debian:12 / unbound

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.4.14-1

Ecosystem specific 

{
    "urgency": "medium"
}

Debian:13 / unbound

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.4.14-1

Ecosystem specific 

{
    "urgency": "medium"
}

Debian:14 / unbound

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.4.14-1

Ecosystem specific 

{
    "urgency": "medium"
}