CVE-2023-38252: W3m: out of bounds read in strnew_size() at w3m/str.c
First published: Thu Jul 13 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tats W3m | =0.5.3\+git20230121 | |
| Fedoraproject Extra Packages For Enterprise Linux | =8.0 | |
| Fedoraproject Fedora | =38 | |
| Redhat Enterprise Linux | =6.0 | |
| W3m Project W3m | =0.5.3\+git20230121 |
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Reference Links
- https://github.com/tats/w3m/issues/270
- https://access.redhat.com/security/cve/CVE-2023-38252
- https://bugzilla.redhat.com/show_bug.cgi?id=2222775
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2222777
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2222776
- https://access.redhat.com/security/cve/cve-2023-38252
- 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/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
Frequently Asked Questions
What is CVE-2023-38252?
CVE-2023-38252 is an out-of-bounds read flaw in w3m in the Strnew_size function in Str.c.
What is the severity of CVE-2023-38252?
The severity of CVE-2023-38252 is medium.
How does CVE-2023-38252 affect the W3m Project W3m software?
CVE-2023-38252 affects W3m Project W3m starting from version 0.5.3+git20230121.
How can an attacker exploit CVE-2023-38252?
An attacker can exploit CVE-2023-38252 by crafting a malicious HTML file to cause a denial of service.
Are there any patches or fixes available for CVE-2023-38252?
Yes, there are patches available. Please refer to the provided references for more information.
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