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haproxy: HAProxy: Response smuggling due to integer overflow in FastCGI record length handling
| 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 |
 | CVE-2026-55203 | 18 Jun 202616:05 | – | debiancve |
 | EUVD-2026-37905 | 18 Jun 202616:05 | – | euvd |
 | Updated haproxy packages fix security vulnerability | 14 Jul 202601:55 | – | mageia |
10
| OS | OS Version | Architecture | Package | Package Version | Filename |
|---|---|---|---|---|---|
| Red Hat Hardened Images | any | aarch64 | haproxy | 3.0.25-0.1.hum1 | haproxy-3.0.25-0.1.hum1.aarch64.rpm |
| Red Hat Hardened Images | any | x86_64 | haproxy | 3.0.25-0.1.hum1 | haproxy-3.0.25-0.1.hum1.x86_64.rpm |
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19 Jul 2026 17:41Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.5 - 9.1
CVSS 49
EPSS0.00321
SSVC