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CVE-2026-56123
🗓️ 25 Jun 2026 15:43:19Reported by Alpine Linux Development TeamType 
alpinelinux🔗 security.alpinelinux.org👁 9 Views
| Reporter | Title | Published | Views | Family All 27 |
|---|---|---|---|---|
 | CVE-2026-56123 | 25 Jun 202615:43 | – | attackerkb |
 | CVE-2026-56123 | 29 Jun 202600:37 | – | circl |
 | CVE-2026-56123 | 25 Jun 202615:43 | – | cve |
 | CVE-2026-56123 socat 1.8.0.0 - 1.8.1.1 Heap Buffer Overflow via SOCKS5 Reply Parser | 25 Jun 202615:43 | – | cvelist |
 | CVE-2026-56123 | 25 Jun 202615:43 | – | debiancve |
 | EUVD-2026-39455 | 25 Jun 202615:43 | – | euvd |
 | Updated socat package fixes a security vulnerability | 23 Jul 202617:45 | – | mageia |
 | CVE-2026-56123 | 25 Jun 202617:17 | – | nvd |
 | socat-1.8.1.3-1.1 on GA media (moderate) | 30 Jun 202600:00 | – | opensuse |
 | ALPINE-CVE-2026-56123 | 25 Jun 202617:17 | – | osv |
10
| OS | OS Version | Architecture | Package | Package Version | Filename |
|---|---|---|---|---|---|
| Alpine Linux | 3.19 | any | socat | 1.8.0.0-r0 | socat-1.8.0.0-r0.apk |
| Alpine Linux | 3.20 | any | socat | 1.8.0.0-r0 | socat-1.8.0.0-r0.apk |
| Alpine Linux | any | any | socat | 1.8.1.2-r0 | socat-1.8.1.2-r0.apk |
| Alpine Linux | 3.21 | any | socat | 1.8.1.2-r0 | socat-1.8.1.2-r0.apk |
| Alpine Linux | 3.22 | any | socat | 1.8.1.2-r0 | socat-1.8.1.2-r0.apk |
| Alpine Linux | 3.23 | any | socat | 1.8.1.2-r0 | socat-1.8.1.2-r0.apk |
| Alpine Linux | 3.24 | any | socat | 1.8.1.2-r0 | socat-1.8.1.2-r0.apk |
| Source | Link |
|---|---|
| dest-unreach | www.dest-unreach.org/socat/CHANGES |
| vulncheck | www.vulncheck.com/advisories/socat-heap-buffer-overflow-via-socks5-reply-parser |
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14 Jul 2026 21:34Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.18.1 - 9.8
CVSS 49.2
EPSS0.00308
SSVC