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CVE-2016-9429

Published: 11 December 2016

An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Buffer overflow in the formUpdateBuffer function in w3m allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTML page.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
w3m
Launchpad, Ubuntu, Debian
upstream
Released (0.5.3-30)
precise
Released (0.5.3-5ubuntu1.2)
trusty
Released (0.5.3-15ubuntu0.1)
xenial
Released (0.5.3-26ubuntu0.1)
yakkety Ignored
(end of life)
zesty Not vulnerable
(0.5.3-32)
Patches:
debian: https://github.com/tats/w3m/commit/d01de738f599441740437c6600dd5b1ae7155d27

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H