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  4. CVE 2023 38252 w3m out of bounds read in strnewsize at w3mstrc
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Back to active CVEs
Medium · CVSS 4.7CVE-2023-38252

W3m: out of bounds read in strnew_size() at w3m/str.cCVE-2023-38252

Answer in brief

CVE-2023-38252 records a Medium severity (CVSS 4.7) vulnerability in W3m: out of bounds read in strnew_size() at w3m/str.c. The current sources do not mark it as known exploited. Affected software not mapped in the current feed; confirm the named product and version against your inventory.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 14, 2023Updated Nov 7, 2026Source checked Nov 7, 2026First seen by HOL Nov 7, 2026Material review Nov 7, 2026
Upstream Advisory

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-125
Source
CVE List V5
Source checked
Nov 7, 2026
References
6 linked sources
Open source record

Key facts

Risk
Medium · CVSS 4.7
Exploitation
Not marked as known exploited
Affected software
Not mapped
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

Affected software not mapped in the current feed; confirm the named product and version against your inventory.

Recommended response

  1. 1Confirm exposure. Identify whether the named product or interface exists in your inventory, then review the linked upstream references for affected versions and vendor guidance.

Evidence timeline and material changes

  1. Published upstream

    Jul 14, 2023

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 7, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 7, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • GitHub security advisorygithub.com
  • Source referencelists.fedoraproject.org
  • Source referencelists.fedoraproject.org
  • Source referencelists.fedoraproject.org
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.