Security Hardening

Debian 11 — libengine-gost-openssl1.1 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libengine-gost-openssl1.1 — 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-2022-29242 Upstream summary: GOST engine is a reference implementation of the Russian GOST crypto algorithms for OpenSSL. TLS clients using GOST engine when ciphersuite `TLS_GOSTR341112_256_WITH_KUZNYECHIK_CTR_OMAC` is agreed and […]

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Debian 12 — libowasp-antisamy-java — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libowasp-antisamy-java — multiple vulnerabilities (7 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-2016-10006 CVE-2017-14735 CVE-2021-35043 CVE-2022-28366 CVE-2022-28367 CVE-2023-43643 CVE-2024-23635 Upstream summary: In OWASP AntiSamy before 1.5.5, by submitting a specially crafted input (a tag that supports style with active content), […]

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

Debian 12 — checkpw — 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-2015-0885 Upstream summary: checkpw 1.02 and earlier allows remote attackers to cause a denial of service (infinite loop) via a — (dash dash) in a username. Table of […]

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Debian 12 — cyclonedds — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — cyclonedds — multiple vulnerabilities (2 CVEs) — 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-2021-38441 CVE-2021-38443 Upstream summary: Eclipse CycloneDDS versions prior to 0.8.0 are vulnerable to a write-what-where condition, which may allow an attacker to write arbitrary values in the XML […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7938 CVE-2020-14931 CVE-2024-31837 Upstream summary: Stack-based buffer overflow in DMitry (Deepmagic Information Gathering Tool) version 1.3a (Unix) allows attackers to cause a denial of service (application crash) or […]

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

Debian 11 — graphviz — multiple vulnerabilities (11 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-2005-4803 CVE-2008-4555 CVE-2009-3736 CVE-2014-0978 CVE-2014-1235 CVE-2014-1236 CVE-2014-9157 CVE-2018-10196  +3 more Upstream summary: graphviz before 2.2.1 allows local users to overwrite arbitrary files via a symlink attack on temporary […]

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Debian 13 — golang-github-jackc-pgproto3 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — golang-github-jackc-pgproto3 — 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-2026-32286 Upstream summary: The DataRow.Decode function fails to properly validate field lengths. A malicious or compromised PostgreSQL server can send a DataRow message with a negative field length, causing […]

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Debian 12 — libnet-oauth-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libnet-oauth-perl — 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-2025-22376 Upstream summary: In Net::OAuth::Client in the Net::OAuth package before 0.29 for Perl, the default nonce is a 32-bit integer generated from the built-in rand() function, which is […]

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