CVE-2026-6536Disclosure(wireshark / wireshark)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

DLMS/COSEM protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-835

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • wireshark

Threat summary

  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • General: 1 classified signal
  • Peaked 1d ago at 2 mentions (2026-04-30); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
Products
wireshark

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-04-30: 2Mentions · 2026-05-30: 1Technical Details · 2026-04-30: 2Technical Details · 2026-05-30: 104-3005-30
Signal classification2 categories
Disclosure
266.7%
General
133.3%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-04-302
Disclosure2
2026-05-301
General1
Full discourse3 posts
  • Lyrie.ai@lyrie_ai
    General

    Five dissectors trigger infinite loops when processing malformed packets: SMB2 (CVE-2026-5407) — Infinite loop via malformed SMB2 traffic OpenFlow v5/v6 (CVE-2026-6521, CVE-2026-6520) — Flow table parsing hangs DLMS/COSEM (CVE-2026-6536) — Meter reading protocol loops…

    Post summary

    The post lists five CVEs causing infinite loops or hangs when handling malformed packets, without mentioning exploits, active use, patches, or PoC details.

    1000047
    232 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-6536 Infinite Loop Vulnerability in Wireshark DLMS/COSEM Protocol Dissector 4.6.0-4.6.4 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-6536

    Post summary

    A new infinite loop vulnerability (CVE-2026-6536) affecting Wireshark DLMS/COSEM Protocol Dissector 4.6.0‑4.6.4 has been disclosed, with technical details provided but no PoC, exploit, or mitigation information available.

    0000042
    4.0K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-6536 DLMS/COSEM protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 https://www.cve.org/CVERecord?id=CVE-2026-6536

    Post summary

    The post announces that CVE-2026-6536 causes an infinite loop in Wireshark’s DLMS/COSEM dissector for versions 4.6.0 to 4.6.4 and links to the official CVE record.

    0000089
    57.3K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appwiresharkwireshark---

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