Out-of-bounds Write Affecting wireshark package, versions [4.4.0,4.4.13)[4.6.0-rc0,4.6.3)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-WIRESHARK-15007210
- published16 Jan 2026
- disclosed14 Jan 2026
- creditUnknown
Introduced: 14 Jan 2026
CVE-2026-0959 (opens in a new tab)How to fix?
Upgrade wireshark to version 4.4.13, 4.6.3 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Write in the dissect_multi_link() function. An attacker can cause the application to crash and become unavailable by tricking a user into opening a specially crafted packet capture file. This is only exploitable if a user opens a malicious capture file in the application.