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zlib: Buffer Overflow in Zlib::GzipReader ungetc via large input leads to memory corruption
| Reporter | Title | Published | Views | Family All 46 |
|---|---|---|---|---|
 | CVE-2026-27820 | 16 Apr 202617:27 | – | attackerkb |
 | Amazon Linux 2023 : ruby3.4, ruby3.4-bundled-gems, ruby3.4-default-gems (ALAS2023-2026-1807) | 8 Jun 202600:00 | – | nessus |
| SUSE SLED15 / SLES15 Security Update : ruby2.5 (SUSE-SU-2026:1066-1) | 27 Mar 202600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2026-27820 | 16 Apr 202600:00 | – | nessus |
 | Important: ruby3.4 | 8 Jun 202600:00 | – | amazon |
 | CVE-2026-27820 | 16 Apr 202617:27 | – | alpinelinux |
 | CVE-2026-27820 affecting package ruby for versions less than 3.3.5-8 | 9 May 202603:31 | – | cbl_mariner |
 | CVE-2026-27820 vulnerabilities | 27 May 202619:18 | – | cgr |
 | CVE-2026-27820 | 5 Mar 202602:04 | – | circl |
 | zlib 安全漏洞 | 16 Apr 202600:00 | – | cnnvd |
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06 May 2026 21:52Current
7.5High risk
Vulners AI Score7.5
CVSS 3.19.8
CVSS 46.3
EPSS0.00561
SSVC