Debian 11 — upx-ucl — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-15056 CVE-2017-16869 CVE-2018-11243 CVE-2019-14295 CVE-2019-14296 CVE-2019-20021 CVE-2019-20051 CVE-2019-20053 +12 more Upstream summary: p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of […]