CVE-2023-38252

Name: CVE-2023-38252
Creator: NVD / NIST
Published: 2023-07-14T18:15:10.99+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2023-38252 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.35%

27.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tats	W3m	0.5.3\+git20230121
Fedoraproject	Extra Packages For Enterprise Linux	8.0
Fedoraproject	Fedora	38
Redhat	Enterprise Linux	6.0

References

https://access.redhat.com/security/cve/CVE-2023-38252Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2222775Issue Tracking, Third Party Advisory
https://github.com/tats/w3m/issues/270Exploit, Issue Tracking, Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-38252Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2222775Issue Tracking, Third Party Advisory
https://github.com/tats/w3m/issues/270Exploit, Issue Tracking, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/

Timeline

Published: Jul 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38252?

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.

How severe is CVE-2023-38252?

CVE-2023-38252 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38252?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-38252?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST