Security Hardening

Debian 13 — libsmb2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libsmb2 — 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-2025-57632 Upstream summary: libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs (NextCommand), libsmb2 repeatedly calls smb2_add_iovector() to append to a fixed-size iovec array without checking […]

Read more
Debian 12 — sylpheed — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — sylpheed — 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-2005-0667 CVE-2005-0926 CVE-2005-3354 CVE-2006-2920 CVE-2007-1267 CVE-2007-2958 CVE-2017-17517 CVE-2021-37746 Upstream summary: Buffer overflow in Sylpheed before 1.0.3 and other versions before 1.9.5 allows remote attackers to execute arbitrary code […]

Read more
Debian 13 — openscad — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — openscad — multiple vulnerabilities (4 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-2020-28599 CVE-2020-28600 CVE-2022-0496 CVE-2022-0497 Upstream summary: A stack-based buffer overflow vulnerability exists in the import_stl.cc:import_stl() functionality of Openscad openscad-2020.12-RC2. A specially crafted STL file can lead to code […]

Read more
Debian 11 — json-smart — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — json-smart — 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-2021-31684 CVE-2023-1370 Upstream summary: A vulnerability was discovered in the indexOf function of JSONParserByteArray in JSON Smart versions 1.3 and 2.4 which causes a denial of service (DOS) […]

Read more
Debian 13 — golang-github-seccomp-libseccomp-golang — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — golang-github-seccomp-libseccomp-golang — 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-2017-18367 Upstream summary: libseccomp-golang 0.9.0 and earlier incorrectly generates BPFs that OR multiple arguments rather than ANDing them. A process running under a restrictive seccomp filter that specified multiple […]

Read more
Debian 11 — php-horde-groupware — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-horde-groupware — 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-2025-41066 Upstream summary: Horde Groupware v5.2.22 has a user enumeration vulnerability that allows an unauthenticated attacker to determine the existence of valid accounts on the system. To exploit […]

Read more
Debian 12 — heimdal — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — heimdal — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1225 CVE-2002-1226 CVE-2002-1235 CVE-2003-0138 CVE-2004-0371 CVE-2004-0434 CVE-2005-0469 CVE-2005-2040  +12 more Upstream summary: Multiple buffer overflows in Heimdal before 0.5, possibly in both the (1) kadmind and (2) kdc […]

Read more
Debian 12 — rmysql — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rmysql — 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-2020-10380 Upstream summary: RMySQL through 0.10.19 allows SQL Injection. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

Read more
Debian 11 — apertium — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — apertium — 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-2008-4939 Upstream summary: apertium 3.0.7 allows local users to overwrite arbitrary files via a symlink attack on (a) /tmp/#####.lex.cc, (b) /tmp/#####.deformat.l, (c) /tmp/#####.reformat.l, (d) /tmp/#####docxorig, (e) /tmp/#####docxsalida.zip, (f) […]

Read more
CHAT