Logging Monitoring

Windows Server 2022 — KB5073698 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5073698 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5073698 • MSRC update-guide entry Related CVEs: CVE-2026-21265 CVE-2026-0386 CVE-2026-20805 CVE-2026-20816 CVE-2026-20820 CVE-2026-20821 CVE-2026-20824 CVE-2026-20828  +12 more Affected components: Windows Server 2022 Microsoft summary: Windows Secure Boot stores Microsoft certificates in the […]

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

Debian 13 — giac — vulnerability — patch and remediation guide

  • February 21, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 21 February 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-17526 Upstream summary: Input.cc in Bernard Parisse Giac 1.2.3.57 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to […]

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FreeBSD 15 — libproxy — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — libproxy — vulnerability — patch and remediation guide

  • February 21, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 21 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libproxy — stack-based buffer overflow Related CVEs: CVE-2012-4504 Upstream summary: Tomas Hoger reports: A buffer overflow flaw was discovered in the libproxy's url::get_pac() used to download proxy.pac proxy auto-configuration file. […]

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Debian 11 — zookeeper — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — zookeeper — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • February 21, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 February 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-5017 CVE-2017-5637 CVE-2018-8012 CVE-2019-0201 CVE-2023-44981 CVE-2024-23944 CVE-2026-24281 CVE-2026-24308 Upstream summary: Buffer overflow in the C cli shell in Apache Zookeeper before 3.4.9 and 3.5.x before 3.5.3, when using […]

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Debian 13 — postfixadmin — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — postfixadmin — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • February 21, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-0811 CVE-2012-0812 CVE-2014-2655 CVE-2017-5930 Upstream summary: Multiple SQL injection vulnerabilities in Postfix Admin (aka postfixadmin) before 2.3.5 allow remote authenticated users to execute arbitrary SQL commands via (1) […]

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Windows Server 2022 — KB5075943 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5075943 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5075943 • MSRC update-guide entry Related CVEs: CVE-2026-21519 CVE-2026-21248 CVE-2026-21247 CVE-2026-21242 CVE-2026-21235 CVE-2026-21234 CVE-2026-21236 CVE-2026-21533  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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Debian 13 — libnet-cidr-lite-perl — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libnet-cidr-lite-perl — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • February 21, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-47154 CVE-2026-40198 CVE-2026-40199 CVE-2026-45190 CVE-2026-45191 Upstream summary: The Net::CIDR::Lite module before 0.22 for Perl does not properly consider extraneous zero characters at the beginning of an IP address […]

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

Debian 13 — dcmtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 21 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6825 CVE-2015-8979 CVE-2019-1010228 CVE-2020-36855 CVE-2021-41687 CVE-2021-41688 CVE-2021-41689 CVE-2021-41690  +12 more Upstream summary: (1) movescu.cc and (2) storescp.cc in dcmnet/apps/, (3) dcmnet/libsrc/scp.cc, (4) dcmwlm/libsrc/wlmactmg.cc, (5) dcmprscp.cc and (6) dcmpsrcv.cc […]

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Debian 13 — libbpf — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libbpf — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • February 21, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-45940 CVE-2021-45941 CVE-2022-3533 CVE-2022-3534 CVE-2022-3606 CVE-2025-29481 Upstream summary: libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (4 bytes) in __bpf_object__open (called from bpf_object__open_mem and bpf-object-fuzzer.c). Table of […]

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Debian 13 — x11-apps — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — x11-apps — vulnerability — patch and remediation guide

  • February 21, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 21 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2504 Upstream summary: Untrusted search path vulnerability in x11perfcomp in XFree86 x11perf before 1.5.4 allows local users to gain privileges via unspecified Trojan horse code in the current […]

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