Security Hardening

Debian 12 — gvfs — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gvfs — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-12447 CVE-2019-12448 CVE-2019-12449 CVE-2019-12795 CVE-2019-3827 CVE-2026-28295 CVE-2026-28296 Upstream summary: An issue was discovered in GNOME gvfs 1.29.4 through 1.41.2. daemon/gvfsbackendadmin.c mishandles file ownership because setfsuid is not used. […]

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Debian 13 — jupyter-server — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — jupyter-server — multiple vulnerabilities (11 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-2020-26232 CVE-2020-26275 CVE-2022-24757 CVE-2022-29241 CVE-2023-39968 CVE-2023-40170 CVE-2023-49080 CVE-2025-61669  +3 more Upstream summary: Jupyter Server before version 1.0.6 has an Open redirect vulnerability. A maliciously crafted link to a […]

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

Debian 12 — glslang — 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-2025-3010 Upstream summary: A vulnerability, which was classified as problematic, has been found in Khronos Group glslang 15.1.0. Affected by this issue is the function glslang::TIntermediate::isConversionAllowed of the […]

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Debian 13 — perltidy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — perltidy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2277 CVE-2016-10374 Upstream summary: The make_temporary_filename function in perltidy 20120701-1 and earlier allows local users to obtain sensitive information or write to arbitrary files via a symlink attack, […]

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Debian 11 — debian-goodies — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — debian-goodies — multiple vulnerabilities (2 CVEs) — 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-2007-3912 CVE-2023-27635 Upstream summary: checkrestart in debian-goodies before 0.34 allows local users to gain privileges via shell metacharacters in the name of the executable file for a running […]

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

Debian 11 — ghostwriter — 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-2022-39209 Upstream summary: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity […]

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Debian 11 — libcrypt-saltedhash-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcrypt-saltedhash-perl — multiple vulnerabilities (2 CVEs) — 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-2026-47372 CVE-2026-47373 Upstream summary: Crypt::SaltedHash versions through 0.09 for Perl generate insecure random values for salts. These versions use the built-in rand function, which is predictable and unsuitable […]

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Debian 13 — python-lupa — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-lupa — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-34444 Upstream summary: Lupa integrates the runtimes of Lua or LuaJIT2 into CPython. In 2.6 and earlier, attribute_filter is not consistently applied when attributes are accessed through built-in functions […]

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Debian 11 — acpi-support — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — acpi-support — multiple vulnerabilities (2 CVEs) — 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-2014-0484 CVE-2014-1419 Upstream summary: The Debian acpi-support package before 0.140-5+deb7u3 allows local users to gain privileges via vectors related to the "user's environment." Table of contents Symptom & […]

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