Security Hardening

Debian 12 — python-dotenv — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — python-dotenv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-28684 Upstream summary: python-dotenv reads key-value pairs from a .env file and can set them as environment variables. Prior to version 1.2.2, `set_key()` and `unset_key()` in python-dotenv follow […]

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Debian 13 — snakeyaml — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — snakeyaml — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-18640 CVE-2022-1471 CVE-2022-25857 CVE-2022-38749 CVE-2022-38750 CVE-2022-38751 CVE-2022-38752 CVE-2022-41854 Upstream summary: The Alias feature in SnakeYAML before 1.26 allows entity expansion during a load operation, a related issue to […]

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Debian 13 — davical — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — davical — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-18345 CVE-2019-18346 CVE-2019-18347 Upstream summary: A reflected XSS issue was discovered in DAViCal through 1.1.8. It echoes the action parameter without encoding. If a user visits an attacker-supplied […]

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Debian 13 — jackson-dataformat-cbor — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — jackson-dataformat-cbor — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28491 Upstream summary: This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception. Table […]

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openSUSE Tumbleweed — systemtap — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — systemtap — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory BLOG-COPY-FAIL (see also SUSE bugzilla) Related CVEs: CVE-2026-31431 CVE-2009-4273 CVE-2010-0412 CVE-2009-2911 CVE-2010-0411 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead – Revert to operating out-of-place This […]

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

Debian 13 — postgrey — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-1127 Upstream summary: Format string vulnerability in the log function in Net::Server 0.87 and earlier, as used in Postfix Greylisting Policy Server (Postgrey) 1.18 and earlier, and possibly […]

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Debian 13 — rawtherapee — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — rawtherapee — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-3885 CVE-2015-8366 CVE-2026-24808 Upstream summary: Integer overflow in the ljpeg_start function in dcraw 7.00 and earlier allows remote attackers to cause a denial of service (crash) via a […]

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Ubuntu 24.04 — intel-microcode — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — intel-microcode — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 January 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8068-1 Related CVEs: CVE-2025-31648 CVE-2025-20053 CVE-2025-22839 CVE-2025-22840 CVE-2025-20109 CVE-2025-24305 CVE-2025-26403 CVE-2025-21090  +12 more Upstream summary: Sergiu Ghetie discovered that some Intel® processors did not properly handle values in the microcode […]

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openSUSE Tumbleweed — jq — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — jq — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-41257 CVE-2026-43894 CVE-2025-49014 CVE-2026-32316 CVE-2026-33947 CVE-2026-33948 CVE-2026-39956 CVE-2026-39979  +12 more Upstream summary: jq is a command-line JSON processor. In 1.8.1 and earlier, the jq bytecode […]

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Ubuntu 24.04 — rustc-1.83 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — rustc-1.83 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8168-1 Related CVEs: CVE-2026-33056 Upstream summary: It was discovered that tar-rs embedded in rustc incorrectly handled symlinks when unpacking a tar archive. If a user or automated system were tricked […]

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CHAT