Linux

AlmaLinux 8 — perl-Convert-ASN1 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Convert-ASN1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:3049 Related CVEs: CVE-2013-7488 Upstream summary: Convert::ASN1 encodes and decodes ASN.1 data structures using BER/DER rules. Security Fix(es): * perl-Convert-ASN1: allows remote attackers to cause an infinite loop via unexpected input (CVE-2013-7488) […]

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Gentoo Linux — dev-lang/ruby — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-lang/ruby — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202401-27 Related CVEs: CVE-2020-25613 CVE-2021-31810 CVE-2021-32066 CVE-2021-33621 CVE-2021-41816 CVE-2021-41817 CVE-2021-41819 CVE-2022-28738  +7 more Upstream summary: Multiple vulnerabilities have been discovered in Ruby. Please review the CVE identifiers referenced below for details. Table […]

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Debian 11 — r-cran-igraph — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — r-cran-igraph — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-20349 Upstream summary: The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) […]

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Debian 11 — libapreq2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libapreq2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-0042 CVE-2019-12412 CVE-2022-22728 Upstream summary: Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request (Libapreq2) before 2.07 allows remote attackers to cause a denial of service […]

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Gentoo Linux — sys-apps/firejail — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-apps/firejail — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202105-19 Related CVEs: CVE-2021-26910 CVE-2022-31214 CVE-2020-17367 CVE-2020-17368 Upstream summary: It was discovered that a flaw in Firejail’s OverlayFS code allowed restricted programs to escape sandbox. Table of contents Symptom & Impact Environment […]

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CentOS Stream 9 — lua — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — lua — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 April 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:0957 Related CVEs: CVE-2021-43519 CVE-2021-44964 CVE-2022-33099 CVE-2022-28805 Upstream summary: The lua packages provide support for Lua, a powerful light-weight programming language designed for extending applications. Lua is also frequently used as […]

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openSUSE Tumbleweed — go1.17 — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — go1.17 — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1298-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-30580 CVE-2022-32189 CVE-2022-1705 CVE-2022-1962 CVE-2022-28131 CVE-2022-30630 CVE-2022-30631 CVE-2022-30632  +9 more Upstream summary: Code injection in Cmd.Start in os/exec before Go 1.17.11 and Go 1.18.3 allows […]

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SLES 15 — libjasper7 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libjasper7 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 April 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-13748 CVE-2017-13750 CVE-2017-13751 CVE-2022-40755 Upstream summary: There are lots of memory leaks in JasPer 2.0.12, triggered in the function jas_strdup() in base/jas_string.c, that will lead […]

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Oracle Linux 8 — kubernetes — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kubernetes — vulnerability — patch and remediation guide (ELSA-2022-9856)

🟠 High   ⏱ 15–60 min  Last verified: 7 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9856 Related CVEs: CVE-2022-3172 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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