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CVE-2026-55204 HAProxy - NULL Pointer Dereference in hpack_dht_insert Function
| Reporter | Title | Published | Views | Family All 50 |
|---|---|---|---|---|
 | CVE-2026-55204 | 18 Jun 202616:05 | – | attackerkb |
 | Amazon Linux 2023 : haproxy (ALAS2023-2026-1915) | 16 Jul 202600:00 | – | nessus |
| openSUSE 16 Security Update : haproxy (openSUSE-SU-2026:21245-1) | 9 Jul 202600:00 | – | nessus |
| SUSE SLES15 Security Update : haproxy (SUSE-SU-2026:2651-1) | 27 Jun 202600:00 | – | nessus |
| SUSE SLES15 Security Update : haproxy (SUSE-SU-2026:2652-1) | 27 Jun 202600:00 | – | nessus |
| TencentOS Server 4: haproxy (TSSA-2026:0548) | 9 Jul 202600:00 | – | nessus |
| Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : HAProxy vulnerabilities (USN-8459-1) | 23 Jun 202600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2026-55204 | 20 Jun 202600:00 | – | nessus |
 | Important: haproxy | 7 Jul 202600:00 | – | amazon |
 | CVE-2026-55204 | 18 Jun 202616:05 | – | alpinelinux |
10
[
{
"vendor": "haproxy",
"product": "haproxy",
"defaultStatus": "unaffected",
"packageURL": "pkg:github/haproxy/haproxy",
"versions": [
{
"version": "0",
"status": "affected",
"versionType": "semver",
"lessThanOrEqual": "3.4.0"
},
{
"status": "unaffected",
"version": "9a6d1fe3f00d86ab4ea6ea6ea0a5d48fc058a513",
"versionType": "git"
}
],
"repo": "https://github.com/haproxy/haproxy"
}
]Data
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14 Jul 2026 21:33Current
CVSS 3.17.5
CVSS 48.7
EPSS0.00484