Out-of-bounds Read in Fedora Extra Packages For Enterprise Linux
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: 0.000 (7.4th 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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/security/cve/CVE-2023-38253 (vdb-entry, x_refsource_REDHAT)
- RHBZ#2222779 (issue-tracking, x_refsource_REDHAT)
- github.com/tats/w3m/issues/271
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
Frequently asked questions
- What is CVE-2023-38253?
- CVE-2023-38253 is a medium-severity vulnerability in Fedora Extra Packages For Enterprise Linux, 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.