Out-of-bounds Read in Tats W3m
CVE-2023-38253
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.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (28.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Tats W3m — versions 0.5.3\+git20230121
- Fedora Extra Packages For Enterprise Linux
- Fedora
- Fedoraproject Extra_packages_for_enterprise_linux — versions 8.0
- Fedoraproject Fedora — versions 38
- Red Hat Enterprise Linux 6
- Redhat Enterprise_linux — versions 6.0
- N/a W3m
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Exploit, Third Party Advisory, Issue Tracking)
- secalert@redhat.com
- secalert@redhat.com
- secalert@redhat.com
Frequently asked questions
- What is CVE-2023-38253?
- CVE-2023-38253 is a medium-severity vulnerability in Tats W3m, classified under Out-of-bounds Read. CVSS score: 4.7/10. Published 2023-07-14.
- How severe is CVE-2023-38253?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2023-38253 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.