Security Hardening

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

Debian 11 — opusfile — 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-2022-47021 Upstream summary: A null pointer dereference issue was discovered in functions op_get_data and op_open1 in opusfile.c in xiph opusfile 0.9 thru 0.12 allows attackers to cause denial […]

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

Debian 11 — vifm — 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-2026-8997 Upstream summary: vifm is vulnerable to a heap buffer overflow during the history merge process when saving the state file (vifminfo.json). This flaw occurs because the application […]

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

Debian 13 — acm — vulnerability — 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-2002-0391 Upstream summary: Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including dietlibc, allows remote […]

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

Debian 13 — phpsysinfo — multiple vulnerabilities (8 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-2003-0536 CVE-2005-0869 CVE-2005-0870 CVE-2005-3347 CVE-2005-3348 CVE-2006-3360 CVE-2007-4048 CVE-2023-49006 Upstream summary: Directory traversal vulnerability in phpSysInfo 2.1 and earlier allows attackers with write access to a local directory to […]

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Debian 12 — mh-book — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mh-book — 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-2008-5152 Upstream summary: inmail-show in mh-book 200605 allows local users to overwrite arbitrary files via a symlink attack on a (1) /tmp/inmail#####.log or (2) /tmp/inmail#####.stdin temporary file. Table […]

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Debian 11 — sofia-sip — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sofia-sip — multiple vulnerabilities (6 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-2022-31001 CVE-2022-31002 CVE-2022-31003 CVE-2022-47516 CVE-2023-22741 CVE-2023-32307 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Debian 11 — tryton-client — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tryton-client — 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-2013-4510 Upstream summary: Directory traversal vulnerability in the client in Tryton 3.0.0, as distributed before 20131104 and earlier, allows remote servers to write arbitrary files via path separators […]

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Debian 13 — proftpd-mod-proxy — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — proftpd-mod-proxy — 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-2023-48795 Upstream summary: The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some […]

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

Debian 13 — slrn — vulnerability — 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-2002-0740 Upstream summary: Buffer overflow in slrnpull for the SLRN package, when installed setuid or setgid, allows local users to gain privileges via a long -d (SPOOLDIR) argument. […]

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

Debian 13 — libdumb — vulnerability — 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-2006-3668 Upstream summary: Heap-based buffer overflow in the it_read_envelope function in Dynamic Universal Music Bibliotheque (DUMB) 0.9.3 and earlier and current CVS as of 20060716, including libdumb, allows […]

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