CVE-2023-4255 is an out-of-bounds write vulnerability in the W3M web browser's backspace handling within the checkType() function. This flaw affects various Fedora Project and Tats distributions of W3M. It carries a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring user interaction (opening a crafted HTML file), and primarily leading to a denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE match | cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE match | cpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:* | ||
0.5.3\+git20230121-1CPE matchmatch criteria | cpe:2.3:a:tats:w3m:0.5.3\+git20230121-1:*:*:*:*:*:*:* | ||
0.5.3\+git20230121-2CPE matchmatch criteria | cpe:2.3:a:tats:w3m:0.5.3\+git20230121-2:*:*:*:*:*:*:* | ||
0.5.3\+git20230129CPE matchmatch criteria | cpe:2.3:a:tats:w3m:0.5.3\+git20230129:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.