CVE-2006-2781

N/A Unknown
Published: June 02, 2006 Modified: April 16, 2026
View on NVD

Description

Double free vulnerability in nsVCard.cpp in Mozilla Thunderbird before 1.5.0.4 and SeaMonkey before 1.0.2 allows remote attackers to cause a denial of service (hang) and possibly execute arbitrary code via a VCard that contains invalid base64 characters.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2006-0609.html
Source: cve@mitre.org
http://secunia.com/advisories/20382
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/20394
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/20709
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/21134
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/21178
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/21183
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/21210
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/21269
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/21324
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/21336
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/21607
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/21631
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/22065
Source: cve@mitre.org
Vendor Advisory
http://securitytracker.com/id?1016214
Source: cve@mitre.org
http://www.debian.org/security/2006/dsa-1118
Source: cve@mitre.org
http://www.debian.org/security/2006/dsa-1134
Source: cve@mitre.org
http://www.gentoo.org/security/en/glsa/glsa-200606-21.xml
Source: cve@mitre.org
http://www.mandriva.com/security/advisories?name=MDKSA-2006:146
Source: cve@mitre.org
http://www.mozilla.org/security/announce/2006/mfsa2006-40.html
Source: cve@mitre.org
http://www.novell.com/linux/security/advisories/2006_35_mozilla.html
Source: cve@mitre.org
http://www.redhat.com/support/errata/RHSA-2006-0578.html
Source: cve@mitre.org
http://www.redhat.com/support/errata/RHSA-2006-0594.html
Source: cve@mitre.org
http://www.redhat.com/support/errata/RHSA-2006-0611.html
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/435795/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/446657/100/200/threaded
Source: cve@mitre.org
http://www.securityfocus.com/bid/18228
Source: cve@mitre.org
http://www.vupen.com/english/advisories/2006/2106
Source: cve@mitre.org
http://www.vupen.com/english/advisories/2006/3749
Source: cve@mitre.org
https://exchange.xforce.ibmcloud.com/vulnerabilities/26850
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10247
Source: cve@mitre.org
https://usn.ubuntu.com/297-1/
Source: cve@mitre.org
https://usn.ubuntu.com/297-3/
Source: cve@mitre.org
https://usn.ubuntu.com/323-1/
Source: cve@mitre.org
http://rhn.redhat.com/errata/RHSA-2006-0609.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/20382
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/20394
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/20709
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/21134
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/21178
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/21183
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/21210
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/21269
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/21324
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/21336
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/21607
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/21631
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22065
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://securitytracker.com/id?1016214
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2006/dsa-1118
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2006/dsa-1134
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.gentoo.org/security/en/glsa/glsa-200606-21.xml
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mandriva.com/security/advisories?name=MDKSA-2006:146
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mozilla.org/security/announce/2006/mfsa2006-40.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.novell.com/linux/security/advisories/2006_35_mozilla.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2006-0578.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2006-0594.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2006-0611.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/435795/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/446657/100/200/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/18228
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2006/2106
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2006/3749
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/26850
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10247
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/297-1/
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/297-3/
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/323-1/
Source: af854a3a-2127-422b-91ae-364da2661108

68 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
7.2%
92th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-119

Affected Vendors

mozilla

Related CVEs

CVE-2026-41907 N/A
CVE-2026-41894 N/A
CVE-2026-41492 9.8
CVE-2026-41421 8.8
CVE-2026-41419 7.6