An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m doesn't properly validate the value of tag attribute, which allows remote attackers to cause a denial of service (heap buffer overflow crash) and possibly execute arbitrary code via a crafted HTML page.
2016-12-12T02:59:12.997
2025-04-12T10:46:40.837
Deferred
CVSSv3.0: 8.8 (HIGH)
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4