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Vulnerability record · CVE-2006-6772 · published 27 December 2006

CVE-2006-6772: W3m vulnerability

W3m · W3m

Format string vulnerability in the inputAnswer function in file.c in w3m before 0.5.2, when run with the dump or backend option, allows remote attackers to execute arbitrary code via format string specifiers in the Common Name (CN) field of an SSL certificate associated with an https URL.

9.3 CVSS 2.0 High EPSS 4.8% · top 8.3% CWE-134 · CWE-134
9.3CVSS 2.0 base score
4.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
44References
16 Jun 2026Last modified by NVD

Description

Format string vulnerability in the inputAnswer function in file.c in w3m before 0.5.2, when run with the dump or backend option, allows remote attackers to execute arbitrary code via format string specifiers in the Common Name (CN) field of an SSL certificate associated with an https URL.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

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

References

LinkTags
http://fedoranews.org/cms/node/2415
http://fedoranews.org/cms/node/2416
http://lists.grok.org.uk/pipermail/full-disclosure/2006-December/051457.html
http://secunia.com/advisories/23492 Vendor Advisory
http://secunia.com/advisories/23588 Vendor Advisory
http://secunia.com/advisories/23717 Vendor Advisory
http://secunia.com/advisories/23773 Vendor Advisory
http://secunia.com/advisories/23792 Vendor Advisory
http://security.gentoo.org/glsa/glsa-200701-06.xml
http://securitytracker.com/id?1017440
http://sourceforge.net/tracker/index.php?func=detail&aid=1612792&group_id=39518&atid=425439
http://w3m.cvs.sourceforge.net/%2Acheckout%2A/w3m/w3m/NEWS?revision=1.79
http://w3m.cvs.sourceforge.net/w3m/w3m/file.c?r1=1.249&r2=1.250
http://w3m.cvs.sourceforge.net/w3m/w3m/file.c?view=log
http://www.novell.com/linux/security/advisories/2007_05_w3m.html
http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.044.html
http://www.securityfocus.com/bid/21735
http://www.securityfocus.com/bid/24332
http://www.ubuntu.com/usn/usn-399-1
http://www.vupen.com/english/advisories/2006/5164 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/31114
https://exchange.xforce.ibmcloud.com/vulnerabilities/34821
http://fedoranews.org/cms/node/2415
http://fedoranews.org/cms/node/2416
http://lists.grok.org.uk/pipermail/full-disclosure/2006-December/051457.html
http://secunia.com/advisories/23492 Vendor Advisory
http://secunia.com/advisories/23588 Vendor Advisory
http://secunia.com/advisories/23717 Vendor Advisory
http://secunia.com/advisories/23773 Vendor Advisory
http://secunia.com/advisories/23792 Vendor Advisory
http://security.gentoo.org/glsa/glsa-200701-06.xml
http://securitytracker.com/id?1017440
http://sourceforge.net/tracker/index.php?func=detail&aid=1612792&group_id=39518&atid=425439
http://w3m.cvs.sourceforge.net/%2Acheckout%2A/w3m/w3m/NEWS?revision=1.79
http://w3m.cvs.sourceforge.net/w3m/w3m/file.c?r1=1.249&r2=1.250
http://w3m.cvs.sourceforge.net/w3m/w3m/file.c?view=log
http://www.novell.com/linux/security/advisories/2007_05_w3m.html
http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.044.html
http://www.securityfocus.com/bid/21735
http://www.securityfocus.com/bid/24332

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

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Source: NIST National Vulnerability Database (record CVE-2006-6772), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.