Security Hardening

Debian 11 — php-shellcommand — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-shellcommand — 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-2019-10774 Upstream summary: php-shellcommand versions before 1.6.1 have a command injection vulnerability. Successful exploitation could lead to arbitrary code execution. Table of contents Symptom & Impact Environment & […]

Read more
Debian 12 — guix — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — guix — 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-2024-27297 CVE-2024-52867 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
Debian 11 — php-imagick — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-imagick — 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-2019-11037 Upstream summary: In PHP imagick extension in versions between 3.3.0 and 3.4.4, writing to an array of values in ImagickKernel::fromMatrix() function did not check that the address […]

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

Debian 13 — snowflake — 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-2022-29189 CVE-2022-29190 CVE-2022-29222 Upstream summary: Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, a buffer that was used for inbound network […]

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

Debian 11 — firewalld — 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-2016-5410 CVE-2026-4948 Upstream summary: firewalld.py in firewalld before 0.4.3.3 allows local users to bypass authentication and modify firewall configurations via the (1) addPassthrough, (2) removePassthrough, (3) addEntry, (4) […]

Read more
Debian 12 — libcommons-compress-java — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libcommons-compress-java — multiple vulnerabilities (11 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-2012-2098 CVE-2018-11771 CVE-2018-1324 CVE-2019-12402 CVE-2021-35515 CVE-2021-35516 CVE-2021-35517 CVE-2021-36090  +3 more Upstream summary: Algorithmic complexity vulnerability in the sorting algorithms in bzip2 compressing stream (BZip2CompressorOutputStream) in Apache Commons Compress […]

Read more
Debian 12 — xdg-utils — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — xdg-utils — 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-2014-9622 CVE-2015-1877 CVE-2017-18266 CVE-2020-27748 CVE-2022-4055 CVE-2025-52968 Upstream summary: Eval injection vulnerability in xdg-utils 1.1.0 RC1, when no supported desktop environment is identified, allows context-dependent attackers to execute arbitrary […]

Read more
Debian 13 — apache-jena — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — apache-jena — multiple vulnerabilities (8 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-2021-33192 CVE-2021-39239 CVE-2022-28890 CVE-2022-45136 CVE-2023-22665 CVE-2023-32200 CVE-2025-49656 CVE-2025-50151 Upstream summary: A vulnerability in the HTML pages of Apache Jena Fuseki allows an attacker to execute arbitrary javascript on […]

Read more
CHAT