Security Hardening

Debian 11 — s3d — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — s3d — 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-2013-6876 CVE-2014-1226 Upstream summary: The (1) pty_init_terminal and (2) pipe_init_terminal functions in main.c in s3dvt 0.2.2 and earlier allows local users to gain privileges by leveraging setuid permissions […]

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

Debian 12 — apertium — 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-2008-4939 Upstream summary: apertium 3.0.7 allows local users to overwrite arbitrary files via a symlink attack on (a) /tmp/#####.lex.cc, (b) /tmp/#####.deformat.l, (c) /tmp/#####.reformat.l, (d) /tmp/#####docxorig, (e) /tmp/#####docxsalida.zip, (f) […]

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Debian 13 — signing-party — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — signing-party — 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-2019-11627 Upstream summary: gpg-key2ps in signing-party 1.1.x and 2.x before 2.10-1 contains an unsafe shell call enabling shell injection via a User ID. Table of contents Symptom & Impact […]

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

Debian 11 — nsis — 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-2015-9267 CVE-2015-9268 CVE-2023-37378 CVE-2025-43715 CVE-2026-42171 Upstream summary: Nullsoft Scriptable Install System (NSIS) before 2.49 uses temporary folder locations that allow unprivileged local users to overwrite files. This allows […]

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

Debian 11 — scitokens-cpp — 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-2026-32725 CVE-2026-32726 Upstream summary: SciTokens C++ is a minimal library for creating and using SciTokens from C or C++. Prior to version 1.4.1, scitokens-cpp is vulnerable to an […]

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Debian 13 — camlimages — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — camlimages — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-2295 CVE-2009-2660 CVE-2009-3296 Upstream summary: Multiple integer overflows in CamlImages 2.2 and earlier might allow context-dependent attackers to execute arbitrary code via a crafted PNG image with large […]

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Debian 11 — frr — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — frr — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-12831 CVE-2022-26125 CVE-2022-26126 CVE-2022-26127 CVE-2022-26128 CVE-2022-26129 CVE-2022-36440 CVE-2022-37032  +12 more Upstream summary: An issue was discovered in FRRouting FRR (aka Free Range Routing) through 7.3.1. When using the […]

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

Debian 11 — cvsweb — 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-2018-1000998 Upstream summary: FreeBSD CVSweb version 2.x contains a Cross Site Scripting (XSS) vulnerability in all pages that can result in limited impact–CVSweb is anonymous & read-only. It […]

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Debian 11 — fcitx5 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — fcitx5 — 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-2021-37311 Upstream summary: Buffer Overflow vulnerability in fcitx5 5.0.8 allows attackers to cause a denial of service via crafted message to the application's listening port. Table of contents […]

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Debian 12 — golang-golang-x-net — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — golang-golang-x-net — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-31525 CVE-2021-33194 CVE-2021-44716 CVE-2022-27664 CVE-2022-41717 CVE-2022-41721 CVE-2022-41723 CVE-2023-3978  +6 more Upstream summary: net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial […]

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