IT, Cloud & DevOps Blog

Debian 13 — apparmor — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — apparmor — multiple vulnerabilities (2 CVEs) — 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-2016-1585 CVE-2017-6507 Upstream summary: In all versions of AppArmor mount rules are accidentally widened when compiled. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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

Debian 12 — libcdaudio — 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-2005-0706 CVE-2008-5030 Upstream summary: Buffer overflow in discdb.c for grip 3.1.2 allows attackers to cause a denial of service (crash) and possibly execute arbitrary code by causing the […]

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

Debian 11 — crafty — 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-2003-0612 Upstream summary: Multiple buffer overflows in main.c for Crafty 19.3 allow local users to gain group "games" privileges via long command line arguments to crafty.bin. Table of […]

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Debian 13 — pkcs11-provider — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pkcs11-provider — 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-2023-6258 Upstream summary: A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a […]

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

Debian 13 — ace — 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-2014-6311 Upstream summary: generate_doygen.pl in ace before 6.2.7+dfsg-2 creates predictable file names in the /tmp directory which allows attackers to gain elevated privileges. Table of contents Symptom & Impact […]

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

Debian 13 — memcached — 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-2009-1255 CVE-2009-1494 CVE-2009-2415 CVE-2010-1152 CVE-2011-4971 CVE-2013-0179 CVE-2013-7239 CVE-2013-7290  +12 more Upstream summary: The process_stat function in (1) Memcached before 1.2.8 and (2) MemcacheDB 1.2.0 discloses (a) the contents […]

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Debian 12 — libcompress-raw-bzip2-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libcompress-raw-bzip2-perl — 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-2009-1884 Upstream summary: Off-by-one error in the bzinflate function in Bzip2.xs in the Compress-Raw-Bzip2 module before 2.018 for Perl allows context-dependent attackers to cause a denial of service […]

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Debian 13 — vtk9 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — vtk9 — 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-2021-42521 CVE-2025-57106 CVE-2025-57107 CVE-2025-57108 CVE-2025-57109 Upstream summary: There is a NULL pointer dereference vulnerability in VTK before 9.2.5, and it lies in IO/Infovis/vtkXMLTreeReader.cxx. The vendor didn't check the […]

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

Debian 11 — mkvtoolnix — 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-2018-4022 Upstream summary: A use-after-free vulnerability exists in the way MKVToolNix MKVINFO v25.0.0 handles the MKV (matroska) file format. A specially crafted MKV file can cause arbitrary code […]

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Debian 11 — async-http-client — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — async-http-client — multiple vulnerabilities (3 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-2013-7397 CVE-2024-53990 CVE-2026-40490 Upstream summary: Async Http Client (aka AHC or async-http-client) before 1.9.0 skips X.509 certificate verification unless both a keyStore location and a trustStore location are […]

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