Amazon Linux 2 — giflib — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2026-3212 Related CVEs: CVE-2026-23868 CVE-2021-40633 CVE-2023-48161 Upstream summary: Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling. The conditions needed […]