Security Hardening

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

Debian 12 — node-jose — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-36083 CVE-2025-45767 Upstream summary: JOSE is "JSON Web Almost Everything" – JWA, JWS, JWE, JWT, JWK, JWKS with no dependencies using runtime's native crypto in Node.js, Browser, Cloudflare […]

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

Debian 12 — muttprint — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5368 Upstream summary: muttprint in muttprint 0.72d allows local users to overwrite arbitrary files via a symlink attack on the /tmp/muttprint.log temporary file. Table of contents Symptom & […]

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

Debian 12 — rear — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-23301 Upstream summary: Relax-and-Recover (aka ReaR) through 2.7 creates a world-readable initrd when using GRUB_RESCUE=y. This allows local attackers to gain access to system secrets otherwise only readable […]

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Debian 12 — libcommons-lang3-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libcommons-lang3-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-48924 Upstream summary: Uncontrolled Recursion vulnerability in Apache Commons Lang. This issue affects Apache Commons Lang: Starting with commons-lang:commons-lang 2.0 to 2.6, and, from org.apache.commons:commons-lang3 3.0 before 3.18.0. The methods ClassUtils.getClass(…) […]

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Debian 13 — mesa — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — mesa — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2864 CVE-2012-5129 CVE-2013-1872 CVE-2013-1993 CVE-2019-5068 CVE-2023-45913 CVE-2023-45919 CVE-2023-45922  +2 more Upstream summary: Mesa, as used in Google Chrome before 21.0.1183.0 on the Acer AC700, Cr-48, and Samsung Series […]

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Debian 11 — apt-listbugs — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — apt-listbugs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6049 Upstream summary: apt-listbugs before 0.1.10 creates temporary files insecurely, which allows attackers to have unspecified impact via unknown vectors. Table of contents Symptom & Impact Environment & […]

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Debian 11 — lv — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0188 Upstream summary: lv reads a .lv file from the current working directory, which allows local users to execute arbitrary commands as other lv users by placing malicious […]

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Debian 11 — py-lmdb — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — py-lmdb — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16224 CVE-2019-16225 CVE-2019-16226 CVE-2019-16227 CVE-2019-16228 Upstream summary: An issue was discovered in py-lmdb 0.97. For certain values of md_flags, mdb_node_add does not properly set up a memcpy destination, […]

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