CVE-2011-1002

Name: CVE-2011-1002
Creator: NVD / NIST
Published: 2011-02-22T19:00:02.503+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 29.36%

Last modified Jun 16, 2026

CVE-2011-1002 is a vulnerability of currently unknown severity. avahi-core/socket.c in avahi-daemon in Avahi before 0.6.29 allows remote attackers to cause a denial of service (infinite loop) via an empty mDNS (1) IPv4 or (2) IPv6 UDP packet to port 5353. NOTE: this vulnerability exists because of an incorrect fix for CVE-2010-2244.. EPSS estimates a 29.36% chance of exploitation in the next 30 days.

Description

avahi-core/socket.c in avahi-daemon in Avahi before 0.6.29 allows remote attackers to cause a denial of service (infinite loop) via an empty mDNS (1) IPv4 or (2) IPv6 UDP packet to port 5353. NOTE: this vulnerability exists because of an incorrect fix for CVE-2010-2244.

Metrics

EPSS Probability

29.36%

97.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions
Avahi	Avahi	<= 0.6.28
Avahi	Avahi	0.1
Avahi	Avahi	0.2
Avahi	Avahi	0.3
Avahi	Avahi	0.4
Avahi	Avahi	0.5
Avahi	Avahi	0.5.1
Avahi	Avahi	0.5.2
Avahi	Avahi	0.6.1
Avahi	Avahi	0.6.2
Avahi	Avahi	0.6.3
Avahi	Avahi	0.6.4
Avahi	Avahi	0.6.5
Avahi	Avahi	0.6.6
Avahi	Avahi	0.6.7
Avahi	Avahi	0.6.8
Avahi	Avahi	0.6.9
Avahi	Avahi	0.6.10
Avahi	Avahi	0.6.11
Avahi	Avahi	0.6.12
Avahi	Avahi	0.6.13
Avahi	Avahi	0.6.14
Avahi	Avahi	0.6.15
Avahi	Avahi	0.6.16
Avahi	Avahi	0.6.17
Avahi	Avahi	0.6.18
Avahi	Avahi	0.6.19
Avahi	Avahi	0.6.20
Avahi	Avahi	0.6.21
Avahi	Avahi	0.6.22
Avahi	Avahi	0.6.23
Avahi	Avahi	0.6.24
Avahi	Avahi	0.6.25
Avahi	Avahi	0.6.26
Avahi	Avahi	0.6.27
Fedoraproject	Fedora	15
Redhat	Enterprise Linux	5.0
Redhat	Enterprise Linux	6.0
Canonical	Ubuntu Linux	8.04
Canonical	Ubuntu Linux	9.10
Canonical	Ubuntu Linux	10.04
Canonical	Ubuntu Linux	10.10
Debian	Debian Linux	5.0
Debian	Debian Linux	6.0
Debian	Debian Linux	7.0

References

http://avahi.org/ticket/325Broken Link
http://git.0pointer.de/?p=avahi.git%3Ba=commit%3Bh=46109dfec75534fe270c0ab902576f685d5ab3a6Broken Link
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055858.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.htmlThird Party Advisory
http://openwall.com/lists/oss-security/2011/02/18/1Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/18/4Mailing List, Third Party Advisory
http://osvdb.org/70948Broken Link
http://secunia.com/advisories/43361Broken Link, Vendor Advisory
http://secunia.com/advisories/43465Broken Link
http://secunia.com/advisories/43605Broken Link
http://secunia.com/advisories/43673Broken Link
http://secunia.com/advisories/44131Broken Link
http://ubuntu.com/usn/usn-1084-1Third Party Advisory
http://www.debian.org/security/2011/dsa-2174Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:037Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:040Broken Link
http://www.openwall.com/lists/oss-security/2011/02/22/9Mailing List, Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0436.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2011-0779.htmlBroken Link
http://www.securityfocus.com/bid/46446Broken Link, Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2011/0448Broken Link, Vendor Advisory
http://www.vupen.com/english/advisories/2011/0499Broken Link, Vendor Advisory
http://www.vupen.com/english/advisories/2011/0511Broken Link
http://www.vupen.com/english/advisories/2011/0565Broken Link
http://www.vupen.com/english/advisories/2011/0601Broken Link
http://www.vupen.com/english/advisories/2011/0670Broken Link
http://www.vupen.com/english/advisories/2011/0969Broken Link
http://xorl.wordpress.com/2011/02/20/cve-2011-1002-avahi-daemon-remote-denial-of-service/Exploit, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=667187Issue Tracking, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/65524Not Applicable
https://exchange.xforce.ibmcloud.com/vulnerabilities/65525Third Party Advisory, VDB Entry
http://avahi.org/ticket/325Broken Link
http://git.0pointer.de/?p=avahi.git%3Ba=commit%3Bh=46109dfec75534fe270c0ab902576f685d5ab3a6Broken Link
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055858.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.htmlThird Party Advisory
http://openwall.com/lists/oss-security/2011/02/18/1Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/18/4Mailing List, Third Party Advisory
http://osvdb.org/70948Broken Link
http://secunia.com/advisories/43361Broken Link, Vendor Advisory
http://secunia.com/advisories/43465Broken Link
http://secunia.com/advisories/43605Broken Link
http://secunia.com/advisories/43673Broken Link
http://secunia.com/advisories/44131Broken Link
http://ubuntu.com/usn/usn-1084-1Third Party Advisory
http://www.debian.org/security/2011/dsa-2174Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:037Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:040Broken Link
http://www.openwall.com/lists/oss-security/2011/02/22/9Mailing List, Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0436.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2011-0779.htmlBroken Link
http://www.securityfocus.com/bid/46446Broken Link, Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2011/0448Broken Link, Vendor Advisory
http://www.vupen.com/english/advisories/2011/0499Broken Link, Vendor Advisory
http://www.vupen.com/english/advisories/2011/0511Broken Link
http://www.vupen.com/english/advisories/2011/0565Broken Link
http://www.vupen.com/english/advisories/2011/0601Broken Link
http://www.vupen.com/english/advisories/2011/0670Broken Link
http://www.vupen.com/english/advisories/2011/0969Broken Link
http://xorl.wordpress.com/2011/02/20/cve-2011-1002-avahi-daemon-remote-denial-of-service/Exploit, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=667187Issue Tracking, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/65524Not Applicable
https://exchange.xforce.ibmcloud.com/vulnerabilities/65525Third Party Advisory, VDB Entry

Timeline

Published: Feb 22, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-1002?

How severe is CVE-2011-1002?

Severity scoring for CVE-2011-1002 is pending analysis. The EPSS model estimates a 29.36% probability of exploitation in the next 30 days.

How do I fix CVE-2011-1002?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-1002?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST