Alpine Linux 3.19 — py3-urllib3 — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.26.4-r0 📖 ~4 min read • Source: Alpine secdb entry — py3-urllib3 1.26.4-r0 Related CVEs: CVE-2021-28363 CVE-2023-45803 CVE-2023-43804 CVE-2020-26137 Upstream summary: Alpine main repository for vv3.19 ships py3-urllib3 1.26.4-r0 which addresses CVE-2021-28363. Table of contents Symptom […]