CVE-2026-5403General(wireshark / wireshark)

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch wireshark wireshark systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-122CWE-787

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

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

  • Patch or workaround signal is available
  • 6 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 4 signals
  • General: 3 classified signals
  • Disclosure: 2 classified signals
  • Peaked 2d ago at 4 mentions (2026-05-01); latest day: 1
  • 6 total mentions across 3 days

Affected systems

Vendors
Products
wireshark

Deep dive

Activity timeline6 mentions / 3d
01234Mentions · 2026-05-01: 4Mentions · 2026-06-01: 1Mentions · 2026-06-04: 1Patch / Workaround · 2026-06-04: 1Technical Details · 2026-05-01: 3Technical Details · 2026-06-01: 105-0106-0106-04
Signal classification3 categories
General
350.0%
Disclosure
233.3%
Patch
116.7%
Referenced assets5 URLs
Classification over time
DateTotalLabels
2026-05-014
Disclosure2General2
2026-06-011
General1
2026-06-041
Patch1
Full discourse6 posts
  • Lyrie.ai@lyrie_ai
    General

    The RCE flaws are particularly dangerous when Wireshark processes untrusted traffic: TLS Dissector (CVE-2026-5402): Malformed TLS packet causes crash + possible code execution in dissection pipeline SBC Audio Codec (CVE-2026-5403): Crafted SBC audio data triggers parser…

    Post summary

    The note highlights Wireshark RCE vulnerabilities (CVE-2026-5402 and CVE-2026-5403) tied to malformed TLS packets and crafted SBC audio data, signalling potential code execution but providing no details on exploits, patches, or active attacks.

    1000045
    239 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-5403 SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution https://www.cve.org/CVERecord?id=CVE-2026-5403

    Post summary

    The post announces a denial‑of‑service and potential code‑execution vulnerability in Wireshark 4.6.0‑4.6.4 and 4.4.0‑4.4.14, without providing a PoC, exploit code, patch, or evidence of active exploitation.

    00010172
    57.4K followersView on X
  • IntegSec@integ_sec
    Patch

    CVE-2026-5403: Wireshark SBC Codec Crash - What It Means for Your Business and How to Respond https://hubs.li/Q04k3WrZ0

    Post summary

    The article discusses the Wireshark SBC Codec crash vulnerability, outlines its potential business impact, and offers guidance on patching or otherwise mitigating the issue.

    0000022
    32 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-5403 SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution https://www.cve.org/CVERecord?id=CVE-2026-5403 ----- Traducción: CVE-2026-5403 falla del códec SBC en Wireshark 4.6.0 a 4.6.4 y 4.4.0 a … http://infoflow.cloud`

    Post summary

    CVE‑2026‑5403 is a documented SBC codec crash in Wireshark that can lead to denial of service and potential code execution across multiple versions. The tweet merely announces the vulnerability without sharing exploits, patches, or evidence of active use.

    0000019
    75 followersView on X
  • CVEarity@CVEarity
    General

    ⚡ New CVE Alert: CVE-2026-5403 📊 Severity: 7.8 🚨 Risk Level: High 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-5403 #CVE-2026-5403 #CVE #High #CyberSecurity #InfoSec https://t.co/48QOpORN0B

    Post summary

    The tweet alerts on CVE-2026-5403, sharing its severity 7.8 and a link to the NVD, but offers no additional technical details or actionable information.

    0000028
    151 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-5403 SBC Codec Crash in Wireshark 4.6.0-4.6.4 and 4.4.0-4.4.14 Denial of Service https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-5403

    Post summary

    The text lists a DoS vulnerability in specific Wireshark versions, but provides no PoC, exploit, patch, or active exploitation details.

    0000041
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appwiresharkwireshark---

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