IT, Cloud & DevOps Blog

Debian 11 — libzstd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libzstd — multiple vulnerabilities (4 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-2019-11922 CVE-2021-24031 CVE-2021-24032 CVE-2022-4899 Upstream summary: A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out […]

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Debian 12 — uw-imap — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — uw-imap — multiple vulnerabilities (8 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-2002-1782 CVE-2003-0297 CVE-2005-0198 CVE-2005-2933 CVE-2008-5005 CVE-2008-5006 CVE-2008-5514 CVE-2018-19518 Upstream summary: The default configuration of University of Washington IMAP daemon (wu-imapd), when running on a system that does not […]

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Debian 12 — node-mqtt-packet — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-mqtt-packet — 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-2019-5432 Upstream summary: A specifically malformed MQTT Subscribe packet crashes MQTT Brokers using the mqtt-packet module versions < 3.5.1, 4.0.0 – 4.1.3, 5.0.0 – 5.6.1, 6.0.0 – 6.1.2 […]

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

Debian 9 — uwsgi — 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-2018-7490 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 11 — golang-github-pires-go-proxyproto — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-pires-go-proxyproto — multiple vulnerabilities (2 CVEs) — 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-2021-23351 CVE-2021-23409 Upstream summary: The package github.com/pires/go-proxyproto before 0.5.0 are vulnerable to Denial of Service (DoS) via the parseVersion1() function. The reader in this package is a default […]

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Debian 13 — node-cookiejar — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-cookiejar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-25901 Upstream summary: Versions of the package cookiejar before 2.1.4 are vulnerable to Regular Expression Denial of Service (ReDoS) via the Cookie.parse function, which uses an insecure regular expression. […]

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Debian 12 — postgrey — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — postgrey — 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-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 11 — yelp-xsl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — yelp-xsl — 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-2025-3155 Upstream summary: A flaw was found in Yelp. The Gnome user help application allows the help document to execute arbitrary scripts. This vulnerability allows malicious users to […]

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Debian 11 — python-hpack — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-hpack — 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-2016-6581 Upstream summary: A HTTP/2 implementation built using any version of the Python HPACK library between v1.0.0 and v2.2.0 could be targeted for a denial of service attack, […]

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Debian 13 — irssi-scripts — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — irssi-scripts — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4396 CVE-2007-4398 Upstream summary: Multiple CRLF injection vulnerabilities in (1) ixmmsa.pl 0.3, (2) l33tmusic.pl 2.00, (3) mpg123.pl 0.01, (4) ogg123.pl 0.01, (5) xmms.pl 2.0, (6) xmms2.pl 1.1.3, and […]

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