Amazon Linux 2

Amazon Linux 2 — mod_auth_openidc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — mod_auth_openidc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1329 Related CVEs: CVE-2017-6059 CVE-2017-6413 CVE-2019-14857 CVE-2019-20479 Upstream summary: A text injection flaw was found in how mod_auth_openidc handled error pages. An attacker could potentially use this flaw to conduct […]

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Amazon Linux 2 — libmspack — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libmspack — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1310 Related CVEs: CVE-2018-18584 CVE-2018-18585 CVE-2019-1010305 CVE-2018-14679 CVE-2018-14680 CVE-2018-14681 CVE-2018-14682 Upstream summary: In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte […]

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Amazon Linux 2 — optipng — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — optipng — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1313 Related CVEs: CVE-2016-2191 CVE-2023-43907 Upstream summary: The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) […]

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Amazon Linux 2 — libqb — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libqb — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1210 Related CVEs: CVE-2019-12779 Upstream summary: A flaw was found in libqb. Insecure handling of temporary files could be exploited by a local attacker to overwrite privileged system files. Upstream […]

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Amazon Linux 2 — nss-pem — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — nss-pem — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1139 Related CVEs: CVE-2018-1000007 CVE-2018-1000120 CVE-2018-1000121 CVE-2018-1000122 CVE-2018-1000301 Upstream summary: The nss-pem package provides the PEM file reader for Network Security Services (NSS) implemented as a PKCS#11 module. This update […]

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Amazon Linux 2 — fuse — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — fuse — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2018-1123 Related CVEs: CVE-2018-10906 Upstream summary: A vulnerability was discovered in fuse. When SELinux is active, fusermount is vulnerable to a restriction bypass. This allows non-root users to mount a […]

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Amazon Linux 2 — stunnel — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — stunnel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2018-996 Upstream summary: This update adds the checkHost option to stunnel, which verifies the host of the peer certificate subject. Certificates are accepted if no checkHost option was specified, or […]

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Amazon Linux 2 — lz4 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — lz4 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-3062 Related CVEs: CVE-2025-62813 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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Amazon Linux 2 — vorbis-tools — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — vorbis-tools — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-2983 Related CVEs: CVE-2023-43361 Upstream summary: Buffer Overflow vulnerability in Vorbis-tools v.1.4.2 allows a local attacker to execute arbitrary code and cause a denial of service during the conversion of […]

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