Linux

Amazon Linux 2 — libcap — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libcap — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-2796 Related CVEs: CVE-2025-1390 CVE-2023-2602 Upstream summary: The PAM module pam_cap.so of libcap configuration supports group names starting with "@", during actual parsing, configurations not starting with "@" are incorrectly […]

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

Debian 13 — smartdns — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-1425 Upstream summary: A security flaw has been discovered in pymumu SmartDNS up to 47.1. This vulnerability affects the function _dns_decode_rr_head/_dns_decode_SVCB_HTTPS of the file src/dns.c of the component SVBC […]

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

Debian 13 — ohcount — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16926 Upstream summary: Ohcount 3.0.0 is prone to a command injection via specially crafted filenames containing shell metacharacters, which can be exploited by an attacker (providing a source tree […]

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Debian 11 — tcpflow — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tcpflow — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-14938 CVE-2018-18409 CVE-2026-25061 Upstream summary: An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If […]

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Debian 13 — lz4 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — lz4 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-4611 CVE-2014-4715 CVE-2019-17543 CVE-2021-3520 Upstream summary: Integer overflow in the LZ4 algorithm implementation, as used in Yann Collet LZ4 before r118 and in the lz4_uncompress function in lib/lz4/lz4_decompress.c […]

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

Debian 13 — lxterminal — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10369 Upstream summary: unixsocket.c in lxterminal through 0.3.0 insecurely uses /tmp for a socket file, allowing a local user to cause a denial of service (preventing terminal launch), or […]

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Debian 12 — flightgear — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — flightgear — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2090 CVE-2012-2091 CVE-2016-9956 CVE-2017-13709 CVE-2017-8921 CVE-2025-0781 Upstream summary: Multiple format string vulnerabilities in FlightGear 2.6 and earlier and SimGear 2.6 and earlier allow user-assisted remote attackers to cause […]

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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: 24 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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Red Hat Enterprise Linux 10 — squid — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — squid — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 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-2026:11901 Related CVEs: CVE-2026-32748 CVE-2026-33526 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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