Vulnerability of the tvbuff_lz77.c function: do_uncompress() – This decompression mechanism of the LZ77 algorithm is used by Wireshark to analyze computer network traffic. It can be exploited by attackers to cause service interruptions.
🗓️ 18 May 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 9 Views
| Reporter | Title | Published | Views | Family All 62 |
|---|---|---|---|---|
 | CVE-2026-6533 | 30 Apr 202605:36 | – | attackerkb |
 | Amazon Linux 2023 : wireshark-cli, wireshark-devel (ALAS2023-2026-1904) | 16 Jul 202600:00 | – | nessus |
| Debian dsa-6249 : libwireshark-data - security update | 7 May 202600:00 | – | nessus |
| Wireshark 4.4.x < 4.4.15 Multiple Vulnerabilities (macOS) | 1 May 202600:00 | – | nessus |
| Wireshark 4.6.x < 4.6.5 Multiple Vulnerabilities (macOS) | 1 May 202600:00 | – | nessus |
| openSUSE 16 Security Update : wireshark (openSUSE-SU-2026:20685-1) | 10 May 202600:00 | – | nessus |
| Photon OS 4.0: Wireshark PHSA-2026-4.0-1036 | 21 Jun 202600:00 | – | nessus |
| Photon OS 5.0: Wireshark PHSA-2026-5.0-0862 | 4 Jun 202600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2026-6533 | 30 Apr 202600:00 | – | nessus |
| Wireshark 4.4.x < 4.4.15 Multiple Vulnerabilities | 1 May 202600:00 | – | nessus |
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28 Jul 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 24.9
CVSS 35.5
EPSS0.00146