← Vulnerability feed

Vulnerability record · CVE-2011-1002 · published 22 February 2011

CVE-2011-1002: Avahi vulnerability

Avahi · Avahi

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.

5.0 CVSS 2.0 Medium EPSS 29% · top 1.9% CWE-835 · CWE-835
5.0CVSS 2.0 base score
29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
62References, 2 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://avahi.org/ticket/325 Broken Link
http://git.0pointer.de/?p=avahi.git%3Ba=commit%3Bh=46109dfec75534fe270c0ab902576f685d5ab3a6 Broken Link
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055858.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/18/1 Mailing ListThird Party Advisory
http://openwall.com/lists/oss-security/2011/02/18/4 Mailing ListThird Party Advisory
http://osvdb.org/70948 Broken Link
http://secunia.com/advisories/43361 Broken LinkVendor Advisory
http://secunia.com/advisories/43465 Broken Link
http://secunia.com/advisories/43605 Broken Link
http://secunia.com/advisories/43673 Broken Link
http://secunia.com/advisories/44131 Broken Link
http://ubuntu.com/usn/usn-1084-1 Third Party Advisory
http://www.debian.org/security/2011/dsa-2174 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:037 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:040 Broken Link
http://www.openwall.com/lists/oss-security/2011/02/22/9 Mailing ListThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0436.html Broken Link
http://www.redhat.com/support/errata/RHSA-2011-0779.html Broken Link
http://www.securityfocus.com/bid/46446 Broken LinkThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2011/0448 Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2011/0499 Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2011/0511 Broken Link
http://www.vupen.com/english/advisories/2011/0565 Broken Link
http://www.vupen.com/english/advisories/2011/0601 Broken Link
http://www.vupen.com/english/advisories/2011/0670 Broken Link
http://www.vupen.com/english/advisories/2011/0969 Broken Link
http://xorl.wordpress.com/2011/02/20/cve-2011-1002-avahi-daemon-remote-denial-of-service/ ExploitThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=667187 Issue TrackingThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/65524 Not Applicable
https://exchange.xforce.ibmcloud.com/vulnerabilities/65525 Third Party AdvisoryVDB Entry
http://avahi.org/ticket/325 Broken Link
http://git.0pointer.de/?p=avahi.git%3Ba=commit%3Bh=46109dfec75534fe270c0ab902576f685d5ab3a6 Broken Link
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055858.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/18/1 Mailing ListThird Party Advisory
http://openwall.com/lists/oss-security/2011/02/18/4 Mailing ListThird Party Advisory
http://osvdb.org/70948 Broken Link
http://secunia.com/advisories/43361 Broken LinkVendor Advisory
http://secunia.com/advisories/43465 Broken Link

Track CVE-2011-1002 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2025-32433Erlang/OTP SSH server missing authentication allows remote code executionErlang/OTP SSH servers before OTP-27.3.3, OTP-26.2.5.11 and OTP-25.3.2.20 mishandle SSH protocol messages, letting an unauthenticated attacker execut…KEVEPSS 99%analysed10.0CVE-2025-24201Apple WebKit out-of-bounds write allows sandbox escapeCVE-2025-24201 is an out-of-bounds write in Apple's WebKit that was addressed with improved checks. Maliciously crafted web content may break out of …KEVEPSS 3.8%analysed10.0CVE-2021-44228Apache Log4j2 JNDI lookup remote code executionApache Log4j2 versions 2.0-beta9 through 2.15.0 (excluding 2.12.2, 2.12.3, and 2.3.1) do not protect against attacker-controlled LDAP and other JNDI …KEVEPSS 100%analysed9.8CVE-2026-24061GNU Inetutils telnetd argument injection allows remote auth bypasstelnetd in GNU Inetutils through 2.7 fails to sanitize the USER environment variable, so a value such as "-f root" is passed as an argument to login …KEVEPSS 99%analysed9.8CVE-2025-39682Linux kernel TLS zero-length record handling flaw on rx_listThe Linux kernel TLS receive path mishandles zero-length records that arrive from the rx_list, breaking the assumption that a record type change cann…KEVEPSS 2.9%analysed9.8CVE-2025-24813Apache Tomcat Default Servlet path equivalence enables RCE and file disclosureApache Tomcat mishandles path equivalence for names containing an internal dot, letting a remote unauthenticated attacker write files through the Def…KEVEPSS 100%analysed9.8CVE-2024-9680Mozilla Firefox and Thunderbird use-after-free in Animation timelinesA use-after-free flaw in Animation timelines allows an attacker to execute code in the content process of Firefox and Thunderbird. Mozilla reports ex…KEVEPSS 23%analysed9.8CVE-2024-4577PHP-CGI on Windows argument injection leads to remote code executionPHP-CGI on Windows can misinterpret characters in the command line passed to Win32 API functions when certain code pages are configured, due to Windo…KEVEPSS 100%analysed

Source: NIST National Vulnerability Database (record CVE-2011-1002), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.