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CVE-2026-76887 (GCVE-0-2026-76887)

Vulnerability from cvelistv5 – Published: 2026-08-19 22:35 – Updated: 2026-08-20 15:04
VLAI
Title
Heap-based Buffer Overflow in Wireshark
Summary
Crash in the Wireshark dissection engine in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 15:02 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version CPE status
Wireshark Foundation Wireshark Affected: 4.6.0 , < 4.6.8 (semver)
Affected: 4.4.0 , < 4.4.18 (semver)
guessed Create a notification for this product.
Credits
Daniel Birtwhistle
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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