Improperly Controlled Sequential Memory Allocation Affecting wireshark package, versions [4.4.0,4.4.15)[4.6.0,4.6.5)
Threat Intelligence
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-16322809
- published30 Apr 2026
- disclosed30 Apr 2026
- creditUnknown
Introduced: 30 Apr 2026
CVE-2026-6535 (opens in a new tab)How to fix?
Upgrade wireshark to version 4.4.15, 4.6.5 or higher.
Overview
Affected versions of this package are vulnerable to Improperly Controlled Sequential Memory Allocation via the dissection engine during zlib decompression. An attacker can cause a crash and disrupt service availability by providing specially crafted input files that trigger excessive memory allocation.