Security Hardening

Debian 11 — libpoe-component-irc-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libpoe-component-irc-perl — 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-2010-3438 Upstream summary: libpoe-component-irc-perl before v6.32 does not remove carriage returns and line feeds. This can be used to execute arbitrary IRC commands by passing an argument such […]

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Debian 13 — gnunet — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gnunet — vulnerability — 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-2006-2413 Upstream summary: GNUnet before SVN revision 2781 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an empty UDP datagram, possibly […]

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Debian 13 — openvpn — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — openvpn — multiple vulnerabilities (20 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-2005-2531 CVE-2005-2532 CVE-2005-2533 CVE-2005-2534 CVE-2005-3393 CVE-2005-3409 CVE-2006-1629 CVE-2008-3459  +12 more Upstream summary: OpenVPN before 2.0.1, when running with "verb 0" and without TLS authentication, does not properly flush […]

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Debian 11 — node-postcss — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-postcss — multiple vulnerabilities (6 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-2021-23368 CVE-2021-23382 CVE-2021-23566 CVE-2023-44270 CVE-2024-55565 CVE-2026-41305 Upstream summary: The package postcss from 7.0.0 and before 8.2.10 are vulnerable to Regular Expression Denial of Service (ReDoS) during source map […]

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Debian 11 — ibus-pinyin — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ibus-pinyin — 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-2013-4509 Upstream summary: The default configuration of IBUS 1.5.4, and possibly 1.5.2 and earlier, when IBus.InputPurpose.PASSWORD is not set and used with GNOME 3, does not obscure the […]

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Debian 13 — mina2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — mina2 — multiple vulnerabilities (5 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-2019-0231 CVE-2021-41973 CVE-2024-52046 CVE-2026-41409 CVE-2026-41635 Upstream summary: Handling of the close_notify SSL/TLS message does not lead to a connection closure, leading the server to retain the socket opened […]

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

Debian 12 — context — 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-2017-17513 Upstream summary: TeX Live through 20170524 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct […]

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Debian 11 — tightvnc — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tightvnc — multiple vulnerabilities (10 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-2002-1336 CVE-2014-6053 CVE-2018-20021 CVE-2018-20022 CVE-2018-7225 CVE-2019-15678 CVE-2019-15679 CVE-2019-15680  +2 more Upstream summary: TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to […]

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CHAT