chris

Ubuntu 22.04 — php-league-commonmark — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — php-league-commonmark — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 July 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8194-1 Related CVEs: CVE-2026-33347 CVE-2025-46734 CVE-2026-30838 Upstream summary: It was discovered that league/commonmark did not properly restrict unsafe attributes when the Attributes extension was enabled. An attacker could possibly use […]

Read more
Ubuntu 22.04 — rust-tar — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — rust-tar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 July 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8138-1 Related CVEs: CVE-2026-33056 Upstream summary: It was discovered that tar-rs incorrectly handled symlinks when unpacking a tar archive. If a user or automated system were tricked into processing a […]

Read more
Windows Server 2016 — KB5093448 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5093448 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5093448 • MSRC update-guide entry Related CVEs: CVE-2026-32177 CVE-2026-35433 Affected components: Microsoft .NET Framework 4.8 on Windows Server 2016 Microsoft summary: Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate […]

Read more
Ubuntu 18.04 — openjdk-lts — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — openjdk-lts — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 July 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8001-1 Related CVEs: CVE-2026-21933 CVE-2026-21932 CVE-2026-21945 CVE-2026-21925 CVE-2025-53066 CVE-2025-53057 CVE-2025-30761 CVE-2025-30754  +12 more Upstream summary: It was discovered that the RMI component of OpenJDK 11 would establish RMI TCP endpoint […]

Read more
Ubuntu 18.04 — libpng1.6 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libpng1.6 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 July 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8035-1 Related CVEs: CVE-2026-25646 CVE-2026-22801 CVE-2025-66293 CVE-2026-22695 CVE-2025-64720 CVE-2025-64506 CVE-2025-64505 CVE-2025-65018  +3 more Upstream summary: It was discovered that the libpng simplified API incorrectly processed palette PNG images with partial […]

Read more
SLES 16 — gsasl — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — gsasl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3561-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-2469 Upstream summary: GNU SASL libgsasl server-side read-out-of-bounds with malicious authenticated GSS-API client Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

Read more
SLES 12 — tack — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — tack — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 July 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:5913 (see also SUSE bugzilla) Related CVEs: CVE-2025-69720 CVE-2023-50495 CVE-2023-29491 CVE-2022-29458 CVE-2019-17594 CVE-2019-17595 CVE-2021-39537 CVE-2017-10684  +12 more Upstream summary: The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow […]

Read more
SLES 16 — pcsc-ccid — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — pcsc-ccid — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2011:003 (see also SUSE bugzilla) Related CVEs: CVE-2010-4530 Upstream summary: Signedness error in ccid_serial.c in libccid in the USB Chip/Smart Card Interface Devices (CCID) driver, as used in pcscd in PCSC-Lite 1.5.3 […]

Read more
Common Problems 116066

Snap Applications Fail to Launch or Mount

🟡 Medium   ⏱ 5–30 min  Last verified: 6 July 2026 📖 ~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 & Cross-Refs References & Further […]

Read more
Oracle Linux 8 — webkit2gtk3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — webkit2gtk3 — vulnerability — patch and remediation guide (ELSA-2026-10702)

🟠 High   ⏱ 15–60 min  Last verified: 6 July 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-10702 Related CVEs: CVE-2025-43213 CVE-2025-43214 CVE-2025-43457 CVE-2025-43511 CVE-2025-46299 CVE-2026-20608 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
CHAT