w3m has an out-of-bounds write in function checkType() in etc.c. It allows a local attacker to cause Denial of Service or possibly have unspecified other impact via a crafted HTML file. NOTE: It was introduced in the fix of CVE-2022-38223.
Affects: w3m 0.5.3+git20230129, 0.5.3+git20230121-1, 0.5.3+git20230121-2 Not Affected version: < 0.5.3+git20220429-1
https://github.com/tats/w3m/issues/268 https://github.com/tats/w3m/pull/273
w3m 0.5.3+git20230129 has an out-of-bounds read in function growbuftoStr in indep.c. This allows attackers to cause a denial of service via a crafted HTML file.
Upstream issue:
https://github.com/tats/w3m/issues/271
w3m 0.5.3+git20230129 has an out-of-bounds read in function Strnewsize in Str.c. This allows attackers to cause a denial of service via a crafted HTML file.
Upstream issue:
https://github.com/tats/w3m/issues/270
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