CVE-2023-38253

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

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

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

Affected (4)

Products: Tats: W3m · Fedoraproject: Extra Packages For Enterprise Linux, Fedora · Redhat: Enterprise Linux

Tats

1 product

W3m

Fedoraproject

2 products

Extra Packages For Enterprise Linux

Fedora

Redhat

1 product

Enterprise Linux

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Tats W3m	Version 0.5.3+git20230121

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Extra Packages For Enterprise Linux	Version 8.0
Fedoraproject Fedora	Version 38
Redhat Enterprise Linux	Version 6.0

Related CWEs

CWE-125

Out-of-bounds Read

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

References (12)

https://access.redhat.com/security/cve/CVE-2023-38253

Source: secalert@redhat.com

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2222779

Source: secalert@redhat.com

Issue TrackingThird Party Advisory

https://github.com/tats/w3m/issues/271

Source: secalert@redhat.com

ExploitIssue TrackingThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/

Source: secalert@redhat.com

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/

Source: secalert@redhat.com

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/

Source: secalert@redhat.com

https://access.redhat.com/security/cve/CVE-2023-38253