Debian

Debian 11 — knot-resolver — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — knot-resolver — multiple vulnerabilities (14 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-2018-1000002 CVE-2018-10920 CVE-2018-1110 CVE-2019-10190 CVE-2019-10191 CVE-2019-19331 CVE-2020-12667 CVE-2021-40083  +6 more Upstream summary: Improper input validation bugs in DNSSEC validators components in Knot Resolver (prior version 1.5.2) allow attacker […]

Read more
Debian 13 — lua5.4 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — lua5.4 — multiple vulnerabilities (13 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-2020-15888 CVE-2020-15889 CVE-2020-15945 CVE-2020-24342 CVE-2020-24369 CVE-2020-24370 CVE-2020-24371 CVE-2021-43519  +5 more Upstream summary: Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based […]

Read more
Debian 9 — libexif — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — libexif — 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-2019-9278 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Debian 12 — syncevolution — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — syncevolution — 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-2014-1639 Upstream summary: syncevo/installcheck-local.sh in syncevolution before 1.3.99.7 uses mktemp to create a safe temporary file but appends a suffix to the original filename and writes to this […]

Read more
Debian 11 — rhino — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rhino — 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-2025-66453 Upstream summary: Rhino is an open-source implementation of JavaScript written entirely in Java. Prior to 1.8.1, 1.7.15.1, and 1.7.14.1, when an application passed an attacker controlled float […]

Read more
Debian 11 — llvm-toolchain-13 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — llvm-toolchain-13 — multiple vulnerabilities (7 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-2023-29932 CVE-2023-29933 CVE-2023-29934 CVE-2023-29935 CVE-2023-29939 CVE-2023-29941 CVE-2023-29942 Upstream summary: llvm-project commit fdbc55a5 was discovered to contain a segmentation fault via the component mlir::IROperand<mlir::OpOperand. Table of contents Symptom & […]

Read more
Debian 13 — arpwatch — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — arpwatch — 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-2012-2653 Upstream summary: arpwatch 2.1a15, as used by Red Hat, Debian, Fedora, and possibly others, does not properly drop supplementary groups, which might allow attackers to gain root […]

Read more
Debian 13 — ruby-rack-cache — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ruby-rack-cache — 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-2012-2671 Upstream summary: The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have […]

Read more
Debian 11 — system-tools-backends — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — system-tools-backends — 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-2008-6792 Upstream summary: system-tools-backends before 2.6.0-1ubuntu1.1 in Ubuntu 8.10, as used by "Users and Groups" in GNOME System Tools, hashes account passwords with 3DES and consequently limits effective […]

Read more
CHAT