Security Hardening

Debian 11 — vigor — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — vigor — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-2305 Upstream summary: Integer overflow in the regcomp implementation in the Henry Spencer BSD regex library (aka rxspencer) alpha3.8.g5 on 32-bit platforms, as used in NetBSD through 6.1.5 […]

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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: 25 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 11 — libcrypt-openssl-rsa-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcrypt-openssl-rsa-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-2467 Upstream summary: A timing-based side-channel flaw exists in the perl-Crypt-OpenSSL-RSA package, which could be sufficient to recover plaintext across a network in a Bleichenbacher-style attack. To achieve […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-20001 CVE-2017-20004 CVE-2018-1000622 CVE-2018-1000657 CVE-2018-1000810 CVE-2018-25008 CVE-2019-1010299 CVE-2020-36317  +12 more Upstream summary: In the standard library in Rust before 1.2.0, BinaryHeap is not panic-safe. The binary heap is […]

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Debian 12 — libapache2-mod-authnz-external — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libapache2-mod-authnz-external — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2688 Upstream summary: SQL injection vulnerability in mysql/mysql-auth.pl in the mod_authnz_external module 3.2.5 and earlier for the Apache HTTP Server allows remote attackers to execute arbitrary SQL commands […]

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Debian 9 — gnutls28 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — gnutls28 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7507 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Debian 12 — sosreport — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — sosreport — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0246 CVE-2015-3171 CVE-2015-7529 Upstream summary: SOSreport stores the md5 hash of the GRUB bootloader password in an archive, which allows local users to obtain sensitive information by reading […]

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Debian 11 — teg — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — teg — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-1150 Upstream summary: Buffer overflow in Tenes Empanadas Graciela (TEG) 0.11.1, automatically appends an _ (underscore) to the end of duplicate nicknames, which allows remote attackers to cause […]

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