CVE-2023-38252

4.7 MEDIUM 0.4% exploit odds No fix listed

What it is

An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.

At a glance

Exploitability: Can be exploited locally on the machine without logging in, but needs a user to act. High risk of service disruption.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2023-07-14 18:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-11-07 12:17 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.4% in the next 30 days (EPSS).
Severity: 4.7 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2023-07-14 18:15 UTC
Last modified: 2026-11-07 12:17 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-125 · Out-of-bounds read
Record status: Modified

Affected

Tats w3m 0.5.3\+git20230121
Fedoraproject Extra Packages For Enterprise Linux 8.0
Fedoraproject Fedora 38
Redhat Enterprise Linux 6.0

Attack profile CVSS 3.1 · 4.7

Attack vector: Local
Complexity: High
Privileges needed: None
User interaction: Required
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-38252.md and follow it. Check whether this project is affected by CVE-2023-38252. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record