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Back to active CVEs
Medium · CVSS 4.0CVE-2023-39197

Kernel: dccp: conntrack out-of-bounds read in nf_conntrack_dccp_packet()CVE-2023-39197

Answer in brief

CVE-2023-39197 records a Medium severity (CVSS 4.0) vulnerability in Kernel: dccp: conntrack out-of-bounds read in nf_conntrack_dccp_packet(). 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 Jan 23, 2024Updated Aug 6, 2026Source checked Nov 5, 2026First seen by HOL Aug 6, 2026Material review Aug 6, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.0
Exploitation
Not marked as known exploited
Affected software
Not mapped
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.0. 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

    Jan 23, 2024

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

  2. Source modified

    Aug 6, 2026

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

  3. First seen by HOL

    Aug 6, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source description

An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • OpenPPL ppl.nn CUDA Optimizer opt_graph.cc InitQuantization out-of-boundsAlso CWE-125

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-125
Source
CVE List V5
Source checked
Nov 5, 2026
References
2 linked sources
Open source record