5.5

CVE-2023-4255

Exploit
An out-of-bounds write issue has been discovered in the backspace handling of the checkType() function in etc.c within the W3M application. This vulnerability is triggered by supplying a specially crafted HTML file to the w3m binary. Exploitation of this flaw could lead to application crashes, resulting in a denial of service condition.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Tats ≫ W3m Version0.5.3+git20230121-1
Tats ≫ W3m Version0.5.3+git20230121-2
Tats ≫ W3m Version0.5.3+git20230129
Fedoraproject ≫ Fedora Version39
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.025
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
secalert@redhat.com 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://bugzilla.redhat.com/show_bug.cgi?id=2255207
Third Party Advisory
Issue Tracking
https://github.com/tats/w3m/issues/268
Patch
Exploit
Issue Tracking