February 2026 - Page 53 of 176

Windows Server 2022 — KB5087471 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5087471 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5087471 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-41089 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-34329 CVE-2026-34330  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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Debian 11 — qtconnectivity-opensource-src — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — qtconnectivity-opensource-src — vulnerability — patch and remediation guide

  • February 20, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 20 February 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-23050 Upstream summary: QLowEnergyController in Qt before 6.8.2 mishandles malformed Bluetooth ATT commands, leading to an out-of-bounds read (or division by zero). This is fixed in 5.15.19, 6.5.9, […]

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Debian 13 — libcompress-raw-zlib-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libcompress-raw-zlib-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 20, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 20 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1391 CVE-2026-3381 Upstream summary: Off-by-one error in the inflate function in Zlib.xs in Compress::Raw::Zlib Perl module before 2.017, as used in AMaViS, SpamAssassin, and possibly other products, allows […]

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

Debian 13 — ed — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 20, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 20 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-6939 CVE-2008-3916 Upstream summary: GNU ed before 0.3 allows local users to overwrite arbitrary files via a symlink attack on temporary files, possibly in the open_sbuf function. Table […]

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openSUSE Tumbleweed — libgif7 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libgif7 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • February 20, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2024:8117 (see also SUSE bugzilla) Related CVEs: CVE-2023-48161 CVE-2018-11490 CVE-2026-23868 CVE-2019-15133 CVE-2015-7555 CVE-2016-3977 CVE-2021-40633 Upstream summary: Buffer Overflow vulnerability in GifLib Project GifLib v.5.2.1 allows a local attacker to obtain sensitive information […]

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

Debian 13 — konwert — vulnerability — patch and remediation guide

  • February 20, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 20 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4964 Upstream summary: filters/any-UTF8 in konwert 1.8 allows local users to delete arbitrary files via a symlink attack on a /tmp/any-##### temporary file. Table of contents Symptom & […]

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Debian 12 — rust-time — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rust-time — vulnerability — patch and remediation guide

  • February 20, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 20 February 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-25727 Upstream summary: time provides date and time handling in Rust. From 0.3.6 to before 0.3.47, when user-provided input is provided to any type that parses with the […]

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Debian 13 — librecad — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — librecad — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • February 20, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 20 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-19105 CVE-2021-21897 CVE-2021-21898 CVE-2021-21899 CVE-2021-21900 CVE-2021-45341 CVE-2021-45342 CVE-2021-45343  +1 more Upstream summary: LibreCAD 2.1.3 allows remote attackers to cause a denial of service (0x89C04589 write access violation and […]

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Ubuntu 16.04 — exiv2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — exiv2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 20, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 20 February 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8103-1 Related CVEs: CVE-2026-27596 CVE-2026-25884 CVE-2020-18899 CVE-2025-55304 CVE-2025-54080 CVE-2026-27631 CVE-2020-18771 CVE-2021-32815  +12 more Upstream summary: It was discovered that Exiv2 did not correctly handle reading certain buffers. An attacker could […]

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Red Hat Enterprise Linux 10 — discovery-cli — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — discovery-cli — vulnerability — patch and remediation guide

  • February 20, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:2823 Related CVEs: CVE-2026-24049 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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