CVE-2011-4528
published 2011-12-20CVE-2011-4528: 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…
PriorityP421medium5CVSS 2.0
AVNACLAuNCNINAP
EPSS
2.94%
85.4th percentile
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.
Affected
47 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | unbound | < unbound 1.4.14-1 (bookworm) | unbound 1.4.14-1 (bookworm) |
| nlnetlabs | unbound | >= 0 < 1.4.14-1 | 1.4.14-1 |
| nlnetlabs | unbound | >= 0 < 1.4.14-1 | 1.4.14-1 |
| nlnetlabs | unbound | >= 0 < 1.4.14-1 | 1.4.14-1 |
| nlnetlabs | unbound | >= 0 < 1.4.14-1 | 1.4.14-1 |
| unbound | unbound | <= 1.4.12 | — |
| unbound | unbound | <= 1.4.13 | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
| unbound | unbound | — | — |
CVSS provenance
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv5.0MEDIUM
vendor_debian5.0MEDIUM
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GHSA
GHSA-6xqx-v8qv-h8xm: validator/val_nsec3
ghsa_unreviewed·2022-05-17·CVSS 5.0
CVE-2011-4869 [MEDIUM] GHSA-6xqx-v8qv-h8xm: validator/val_nsec3
validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform proof processing for NSEC3-signed zones, which allows remote DNS servers to cause a denial of service (daemon crash) via a malformed response that lacks expected NSEC3 records, a different vulnerability than CVE-2011-4528.
GHSA
GHSA-q376-m379-55x8: Unbound before 1
ghsa_unreviewed·2022-05-17
CVE-2011-4528 [MEDIUM] GHSA-q376-m379-55x8: Unbound before 1
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.
OSV
CVE-2011-4528: Unbound before 1
osv·2011-12-20·CVSS 5.0
CVE-2011-4528 [MEDIUM] CVE-2011-4528: Unbound before 1
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.
OSV
CVE-2011-4869: validator/val_nsec3
osv·2011-12-20·CVSS 5.0
CVE-2011-4869 [MEDIUM] CVE-2011-4869: validator/val_nsec3
validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform proof processing for NSEC3-signed zones, which allows remote DNS servers to cause a denial of service (daemon crash) via a malformed response that lacks expected NSEC3 records, a different vulnerability than CVE-2011-4528.
Debian
CVE-2011-4869: unbound - validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform proof...
vendor_debian·2011·CVSS 5.0
CVE-2011-4869 [MEDIUM] CVE-2011-4869: unbound - validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform proof...
validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform proof processing for NSEC3-signed zones, which allows remote DNS servers to cause a denial of service (daemon crash) via a malformed response that lacks expected NSEC3 records, a different vulnerability than CVE-2011-4528.
Scope: local
bookworm: resolved (fixed in 1.4.14-1)
bullseye: resolved (fixed in 1.4.14-1)
forky: resolved (fixed in 1.4.14-1)
sid: resolved (fixed in 1.4.14-1)
trixie: resolved (fixed in 1.4.14-1)
Debian
CVE-2011-4528: unbound - Unbound before 1.4.13p2 attempts to free unallocated memory during processing of...
vendor_debian·2011·CVSS 5.0
CVE-2011-4528 [MEDIUM] CVE-2011-4528: unbound - Unbound before 1.4.13p2 attempts to free unallocated memory during processing of...
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.
Scope: local
bookworm: resolved (fixed in 1.4.14-1)
bullseye: resolved (fixed in 1.4.14-1)
forky: resolved (fixed in 1.4.14-1)
sid: resolved (fixed in 1.4.14-1)
trixie: resolved (fixed in 1.4.14-1)
No detection rules found.
No public exploits indexed.
http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.htmlhttp://osvdb.org/77909http://secunia.com/advisories/47326http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txthttp://www.debian.org/security/2011/dsa-2370http://www.kb.cert.org/vuls/id/209659http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.htmlhttp://osvdb.org/77909http://secunia.com/advisories/47326http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txthttp://www.debian.org/security/2011/dsa-2370http://www.kb.cert.org/vuls/id/209659
2011-12-20
Published