Ubuntu 20.04 — opam — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 20 January 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8256-1 Related CVEs: CVE-2026-41082 Upstream summary: Andrew Nesbitt discovered that opam did not properly validate file destination paths in package install files. An attacker could use this issue to bypass […]