CVE-2023-38253: W3m: out of bounds read in growbuf_to_str() at w3m/indep.c
An out-of-bounds read flaw was found in w3m, in the growbuftoStr function in indep.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.
Other sources
w3m 0.5.3+git20230129 has an out-of-bounds read in function growbuftoStr in indep.c. This allows attackers to cause a denial of service via a crafted HTML file.
Upstream issue:
https://github.com/tats/w3m/issues/271
— Red Hat
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-38253?
CVE-2023-38253 is an out-of-bounds read flaw in w3m, which may allow an attacker to cause a denial of service through a crafted HTML file.
What is the severity of CVE-2023-38253?
The severity of CVE-2023-38253 is medium, with a severity value of 5.5.
How does CVE-2023-38253 affect w3m?
CVE-2023-38253 affects versions of w3m up to and including 0.5.3+git20230121.
How can I fix CVE-2023-38253?
To fix CVE-2023-38253, update w3m to a version higher than 0.5.3+git20230121.
Where can I find more information about CVE-2023-38253?
For more information about CVE-2023-38253, you can refer to the following references: [1] [2] [3].