Debian

Debian 11 — mate-screensaver — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mate-screensaver — 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-2018-20681 Upstream summary: mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling […]

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

Debian 12 — less — multiple vulnerabilities (4 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-2014-9488 CVE-2022-46663 CVE-2022-48624 CVE-2024-32487 Upstream summary: The is_utf8_well_formed function in GNU less before 475 allows remote attackers to have unspecified impact via malformed UTF-8 characters, which triggers an […]

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

Debian 12 — weechat — multiple vulnerabilities (12 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-2009-0661 CVE-2011-1428 CVE-2012-5534 CVE-2012-5854 CVE-2017-14727 CVE-2017-8073 CVE-2020-8955 CVE-2020-9759  +4 more Upstream summary: Wee Enhanced Environment for Chat (WeeChat) 0.2.6 allows remote attackers to cause a denial of service […]

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Debian 12 — rxvt-unicode — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rxvt-unicode — multiple vulnerabilities (6 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-2004-2215 CVE-2005-0764 CVE-2006-0126 CVE-2014-3121 CVE-2021-33477 CVE-2022-4170 Upstream summary: RXVT-Unicode 3.4 and 3.5 does not properly close file descriptors, which allows local users to access the terminals of other […]

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Debian 11 — v86d — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — v86d — 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-2011-1070 Upstream summary: v86d before 0.1.10 do not verify if received netlink messages are sent by the kernel. This could allow unprivileged users to manipulate the video mode […]

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Debian 11 — hsqldb1.8.0 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — hsqldb1.8.0 — 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-2023-1183 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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Debian 12 — python-formencode — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — python-formencode — 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-2008-6547 Upstream summary: schema.py in FormEncode for Python (python-formencode) 1.0 does not apply the chained_validators feature, which allows attackers to bypass intended access restrictions via unknown vectors. Table […]

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Debian 12 — rust-h2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rust-h2 — 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-2019-9514 CVE-2023-26964 Upstream summary: Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and […]

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Debian 12 — unace — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — unace — multiple vulnerabilities (3 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-2005-0160 CVE-2005-0161 CVE-2015-2063 Upstream summary: Multiple buffer overflows in unace 1.2b allow attackers to execute arbitrary code via (1) 2 overflows in ACE archives, (2) a long command […]

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