Search/CVE-2023-4255
● CVE — Medium

CVE-2023-4255

Vendorfedoraproject, tatsProductfedora, w3m, extra packages for enterprise linuxDiscoveredDec 21, 2023UpdatedNov 21, 2024

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.

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CVSS v3.1
5.5 MEDIUM
EPSS
0.32%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Connections
4 relationships
Timeline
disclosure → media coverage
Dec 21, 2023
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024