Linux

Gentoo Linux — dev-python/hiredis — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-python/hiredis — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202210-32 Related CVEs: CVE-2021-32765 Upstream summary: Hiredis is vulnerable to integer overflow if provided maliciously crafted or corrupted `RESP` `mult-bulk` protocol data. When parsing `multi-bulk` (array-like) replies, hiredis fails to check if […]

Read more
Debian 11 — ircii — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ircii — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0323 CVE-2021-29376 Upstream summary: Multiple buffer overflows in ircII 20020912 allows remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via […]

Read more
Debian 11 — netperf — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — netperf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-1444 Upstream summary: netserver in netperf 2.4.3 allows local users to overwrite arbitrary files via a symlink attack on /tmp/netperf.debug. Table of contents Symptom & Impact Environment & […]

Read more
Debian 11 — fam — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — fam — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-0875 Upstream summary: Vulnerability in FAM 2.6.8, 2.6.6, and other versions allows unprivileged users to obtain the names of files whose access is restricted to the root group. […]

Read more
Arch Linux — ant — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — ant — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202012-5 Related CVEs: CVE-2020-11979 CVE-2020-1945 CVE-2021-36374 CVE-2021-36373 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 1.10.8-1. Fixed in: 1.10.9-1. Group: AVG-1312. Table of contents Symptom & Impact Environment & […]

Read more
Debian 11 — nip2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nip2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-17514 Upstream summary: boxes.c in nip2 8.4.0 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct […]

Read more
Debian 11 — lame — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lame — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-9099 CVE-2015-9100 CVE-2015-9101 CVE-2017-11720 CVE-2017-13712 CVE-2017-15018 CVE-2017-15019 CVE-2017-15045  +7 more Upstream summary: The lame_init_params function in lame.c in libmp3lame.a in LAME 3.99.5 allows remote attackers to cause a […]

Read more
Debian 11 — node-set-value — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-set-value — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-10747 CVE-2021-23440 Upstream summary: set-value is vulnerable to Prototype Pollution in versions lower than 3.0.1. The function mixin-deep could be tricked into adding or modifying properties of Object.prototype […]

Read more
Debian 11 — pcre3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pcre3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2491 CVE-2005-4872 CVE-2006-7225 CVE-2006-7226 CVE-2006-7227 CVE-2006-7228 CVE-2006-7230 CVE-2007-1659  +12 more Upstream summary: Integer overflow in pcre_compile.c in Perl Compatible Regular Expressions (PCRE) before 6.2, as used in multiple […]

Read more
How to Harden SSH on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Harden SSH on RHEL 7

How to Harden SSH on RHEL 7 SSH (Secure Shell) is the primary remote administration protocol for RHEL 7 servers, and by default its configuration leaves several attack vectors open. Brute-force attacks against exposed SSH ports are constant on any internet-facing host, making SSH hardening one of the first tasks every RHEL 7 administrator should […]

Read more
CHAT