Fix Prevention

AlmaLinux 10 — nghttp2 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — nghttp2 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:7666 Related CVEs: CVE-2026-27135 Upstream summary: libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C. Security Fix(es): * nghttp2: nghttp2: Denial of Service via malformed HTTP/2 […]

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FreeBSD 15 — vault — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — vault — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: vault — unauthenticated license read Related CVEs: CVE-2020-35177 CVE-2021-27668 Upstream summary: vault developers report: Limited Unauthenticated License Read: We addressed a security vulnerability that allowed for the unauthenticated reading of […]

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FreeBSD 15 — py35-yaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py35-yaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-yaml — FullLoader (still) exploitable for arbitrary command execution Related CVEs: CVE-2017-18342 CVE-2020-1747 Upstream summary: Riccardo Schirone (https://github.com/ret2libc) reports: In FullLoader python/object/new constructor, implemented by construct_python_object_apply, has support for setting […]

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FreeBSD 15 — openjph — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — openjph — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenJPH < 0.24.5 — multiple vulnerabilities Upstream summary: Aous Naman reports several vulnerabilities fixed in OpenJPH versions up to 0.24.5 and credits Cary Phillips for reporting them from the OSS-fuzz […]

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Windows Server 2025 — KB5062552 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5062552 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5062552 • MSRC update-guide entry Related CVEs: CVE-2024-36357 CVE-2024-36350 CVE-2025-47980 CVE-2025-47981 CVE-2025-48822 CVE-2025-55230 CVE-2025-53789 CVE-2025-33054  +12 more Affected components: Windows Server 2025 Microsoft summary: The vulnerability assigned to this CVE is in […]

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FreeBSD 15 — dcraw-m — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — dcraw-m — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dcraw — integer overflow condition Related CVEs: CVE-2015-3885 Upstream summary: ocert reports: The dcraw tool, as well as several other projects re-using its code, suffers from an integer overflow condition […]

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FreeBSD 15 — bind97-base — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — bind97-base — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dns/bind9* — crash on deliberately constructed combination of records Related CVEs: CVE-2012-5166 Upstream summary: ISC reports: A deliberately constructed combination of records could cause named to hang while populating the […]

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FreeBSD 15 — py33-amf — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py33-amf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-amf — input sanitization errors Related CVEs: CVE-2015-8549 Upstream summary: oCERT reports: A specially crafted AMF payload, containing malicious references to XML external entities, can be used to trigger Denial […]

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Common Problems 115891

Ubuntu 26.04 LTS APT Lock Contention During Package Operations

🟡 Medium   ⏱ 5–30 min  Last verified: 14 July 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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FreeBSD 15 — teamspeak_server — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — teamspeak_server — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Teamspeak Server — Directory Traversal Vulnerability Upstream summary: SecurityFocus reports: TeamSpeak is prone to a directory-traversal vulnerability because it fails to sufficiently sanitize user-supplied input data. Exploiting the issue may […]

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