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CVE-2026-55203
🗓️ 18 Jun 2026 16:05:20Reported by Debian Security Bug TrackerType 
debiancve🔗 security-tracker.debian.org👁 10 Views
| Reporter | Title | Published | Views | Family All 51 |
|---|---|---|---|---|
 | CVE-2026-55203 | 18 Jun 202616:05 | – | attackerkb |
 | CVE-2026-55203 | 18 Jun 202616:05 | – | alpinelinux |
 | CVE-2026-55203 affecting package haproxy for versions less than 2.9.11-7 | 1 Jul 202602:06 | – | cbl_mariner |
 | CVE-2026-55203 vulnerabilities | 7 Jul 202614:17 | – | cgr |
 | CVE-2026-55203 | 18 Jun 202617:28 | – | circl |
 | CVE-2026-55203 | 18 Jun 202616:05 | – | cve |
 | CVE-2026-55203 HAProxy - Integer Overflow in FCGI Demux Record Length Field | 18 Jun 202616:05 | – | cvelist |
 | EUVD-2026-37905 | 18 Jun 202616:05 | – | euvd |
 | Updated haproxy packages fix security vulnerability | 14 Jul 202601:55 | – | mageia |
 | HAProxy - Integer Overflow in FCGI Demux Record Length Field | 27 Jun 202608:07 | – | mscve |
10
| OS | OS Version | Architecture | Package | Package Version | Filename |
|---|---|---|---|---|---|
| Debian | 14 | any | haproxy | 3.2.20-1 | haproxy_3.2.20-1_any.deb |
| Debian | 999 | any | haproxy | 3.2.20-1 | haproxy_3.2.20-1_any.deb |
| Debian | 11 | any | haproxy | 2.2.9-2+deb11u7 | haproxy_2.2.9-2+deb11u7_any.deb |
| Debian | 12 | any | haproxy | 2.6.12-1+deb12u3 | haproxy_2.6.12-1+deb12u3_any.deb |
| Debian | 13 | any | haproxy | 3.0.11-1+deb13u3 | haproxy_3.0.11-1+deb13u3_any.deb |
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18 Jun 2026 16:05Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.5 - 9.1
CVSS 49
EPSS0.00321
SSVC