Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.256-197.484 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.256-197.484 — vulnerability — 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 ALAS2LIVEPATCH-2022-075 Related CVEs: CVE-2021-4155 Upstream summary: A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. […]

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

Amazon Linux 2 — openjpeg — 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 ALAS2-2023-1999 Related CVEs: CVE-2021-3575 Upstream summary: A heap-based buffer overflow was found in OpenJPEG. This flaw allows an attacker to execute arbitrary code with the permissions of the application compiled […]

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Amazon Linux 2 — jasper — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — jasper — multiple vulnerabilities (8 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 ALAS2-2023-2018 Related CVEs: CVE-2020-27828 CVE-2021-26926 CVE-2021-26927 CVE-2021-3272 CVE-2021-3443 CVE-2021-3467 CVE-2016-9396 CVE-2017-1000050 Upstream summary: A flaw was found in the Jasper tool's jpc encoder. This flaw allows an attacker to craft […]

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

Amazon Linux 2 — telnet — vulnerability — 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 ALAS2-2020-1422 Related CVEs: CVE-2020-10188 Upstream summary: utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a […]

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

Amazon Linux 2 — libfastjson — 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 ALAS2-2023-2079 Related CVEs: CVE-2020-12762 Upstream summary: A flaw was found in json-c. In printbuf_memappend, certain crafted values can overflow the memory allowing an attacker to write past the memory boundary. […]

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

Amazon Linux 2 — spamassassin — multiple vulnerabilities (4 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 ALAS2-2018-1103 Related CVEs: CVE-2017-15705 CVE-2018-11781 CVE-2020-1946 CVE-2019-12420 Upstream summary: A flaw was found in the way SpamAssassin processes HTML email containing unclosed HTML tags. A carefully crafted mail message could […]

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Amazon Linux 2 — slapi-nis — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — slapi-nis — vulnerability — 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 ALAS2-2021-1646 Related CVEs: CVE-2021-3480 Upstream summary: A flaw was found in slapi-nis. A NULL pointer dereference during the parsing of the Binding DN could allow an unauthenticated attacker to crash […]

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Amazon Linux 2 — kernel-livepatch-4.14.181-142.260 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.181-142.260 — multiple vulnerabilities (5 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 ALAS2LIVEPATCH-2020-025 Related CVEs: CVE-2020-10766 CVE-2020-10767 CVE-2020-10768 CVE-2020-12655 CVE-2020-14386 Upstream summary: An issue has been reported in the Linux kernel's handling of raw sockets. This issue can be used locally to […]

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

Amazon Linux 2 — python-rsa — 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 ALAS2-2023-2150 Related CVEs: CVE-2020-25658 CVE-2020-13757 Upstream summary: A flaw was found in python-rsa, where it is vulnerable to Bleichenbacher timing attacks. This flaw allows an attacker, via the RSA decryption […]

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