Linux

Alpine Linux 3.19 — sudo — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — sudo — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.9.5_p2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — sudo 1.9.5_p2-r0 Related CVEs: CVE-2021-3156 CVE-2021-23239 CVE-2021-23240 CVE-2023-22809 CVE-2019-18634 CVE-2019-14287 CVE-2017-1000368 Upstream summary: Alpine community repository for vv3.19 ships sudo 1.9.5_p2-r0 which addresses CVE-2021-3156. Table […]

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Oracle Linux 9 — libnbd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libnbd — vulnerability — patch and remediation guide (ELSA-2024-6757)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 July 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-6757 Related CVEs: CVE-2024-7383 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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SLES 15 — texlive — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — texlive — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 12 July 2024 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-18604 CVE-2023-32700 CVE-2016-10243 CVE-2018-17407 CVE-2020-8016 CVE-2020-8017 CVE-2023-46048 CVE-2023-46051 Upstream summary: In axohelp.c before 1.3 in axohelp in axodraw2 before 2.1.1b, as distributed in TeXLive and […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-20066)

🟠 High   ⏱ 15–60 min  Last verified: 12 July 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20066 Related CVEs: CVE-2024-50301 CVE-2024-49974 CVE-2024-50261 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Debian 12 — catfish — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — catfish — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 July 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2093 CVE-2014-2094 CVE-2014-2095 CVE-2014-2096 Upstream summary: Untrusted search path vulnerability in Catfish through 0.4.0.3 allows local users to gain privileges via a Trojan horse catfish.py in the current […]

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Debian 12 — libidn2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libidn2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 July 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-12290 CVE-2019-18224 Upstream summary: GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible […]

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Alpine Linux edge — upx — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — upx — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.0.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — upx 4.0.2-r0 Related CVEs: CVE-2023-23456 CVE-2023-23457 CVE-2020-24119 CVE-2020-27796 CVE-2020-27797 CVE-2020-27798 CVE-2020-27799 CVE-2020-27800  +9 more Upstream summary: Alpine community repository for vedge ships upx 4.0.2-r0 which […]

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Debian 12 — ruby-rack-cache — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ruby-rack-cache — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 July 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2671 Upstream summary: The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have […]

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Debian 12 — coolkey — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — coolkey — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 July 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4129 Upstream summary: CoolKey 1.1.0 allows local users to overwrite arbitrary files via a symlink attack on temporary files in the /tmp/.pk11ipc1/ directory. Table of contents Symptom & […]

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openSUSE Tumbleweed — perl-Crypt-OpenSSL-RSA — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — perl-Crypt-OpenSSL-RSA — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:01884-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-2467 Upstream summary: A timing-based side-channel flaw exists in the perl-Crypt-OpenSSL-RSA package, which could be sufficient to recover plaintext across a network in a Bleichenbacher-style […]

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