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Debian 13 — libgda5 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libgda5 — 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-2021-39359 Upstream summary: In GNOME libgda through 6.0.0, gda-web-provider.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: […]

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

Debian 11 — libunwind — 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-2015-3239 Upstream summary: Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes. Table of contents […]

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Debian 9 — nss — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — nss — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7805 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 11 — sql-ledger — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sql-ledger — 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-2006-4244 CVE-2006-4731 CVE-2006-4798 CVE-2006-5872 CVE-2007-0667 CVE-2007-1329 CVE-2007-1436 CVE-2007-1437  +12 more Upstream summary: SQL-Ledger 2.4.4 through 2.6.17 authenticates users by verifying that the value of the sql-ledger-[username] cookie matches […]

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

Debian 12 — afflib — 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-2018-8050 Upstream summary: The af_get_page() function in lib/afflib_pages.cpp in AFFLIB (aka AFFLIBv3) through 3.7.16 allows remote attackers to cause a denial of service (segmentation fault) via a corrupt […]

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Debian 11 — openvpn-auth-ldap — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — openvpn-auth-ldap — 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-2024-28820 Upstream summary: Buffer overflow in the extract_openvpn_cr function in openvpn-cr.c in openvpn-auth-ldap (aka the Three Rings Auth-LDAP plugin for OpenVPN) 2.0.4 allows attackers with a valid LDAP […]

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Debian 12 — apache-log4j2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — apache-log4j2 — multiple vulnerabilities (10 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-2017-5645 CVE-2020-9488 CVE-2021-44228 CVE-2021-44832 CVE-2021-45046 CVE-2021-45105 CVE-2025-68161 CVE-2026-34479  +2 more Upstream summary: In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server […]

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Debian 12 — user-mode-linux — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — user-mode-linux — 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-2002-2016 Upstream summary: User-mode Linux (UML) 2.4.17-8 does not restrict access to kernel address space, which allows local users to execute arbitrary code. Table of contents Symptom & […]

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Debian 13 — node-yarnpkg — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-yarnpkg — multiple vulnerabilities (7 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-2019-10773 CVE-2019-15608 CVE-2019-5448 CVE-2020-8131 CVE-2021-4435 CVE-2025-8262 CVE-2025-9308 Upstream summary: In Yarn before 1.21.1, the package install functionality can be abused to generate arbitrary symlinks on the host filesystem […]

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