Operations

Debian 11 — libavif — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libavif — multiple vulnerabilities (3 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-2020-36407 CVE-2025-48174 CVE-2025-48175 Upstream summary: libavif 0.8.0 and 0.8.1 has an out-of-bounds write in avifDecoderDataFillImageGrid. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Debian 9 — network-manager-vpnc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — network-manager-vpnc — 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-2018-10900 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 13 — libtirpc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libtirpc — 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-2016-4429 CVE-2017-8779 CVE-2018-14622 CVE-2021-46828 Upstream summary: Stack-based buffer overflow in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) allows remote servers to […]

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Debian 11 — p7zip — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — p7zip — multiple vulnerabilities (18 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-2008-6536 CVE-2015-1038 CVE-2016-2334 CVE-2016-2335 CVE-2016-9296 CVE-2017-17969 CVE-2022-47069 CVE-2022-47111  +10 more Upstream summary: Unspecified vulnerability in 7-zip before 4.5.7 has unknown impact and remote attack vectors, as demonstrated by […]

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Debian 13 — sane-backends — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — sane-backends — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0773 CVE-2003-0774 CVE-2003-0775 CVE-2003-0776 CVE-2003-0777 CVE-2003-0778 CVE-2017-6318 CVE-2020-12861  +8 more Upstream summary: saned in sane-backends 1.0.7 and earlier does not check the IP address of the connecting host […]

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

Debian 12 — libtemplate-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-2026-5090 Upstream summary: Template::Plugin::HTML versions through 3.102 for Perl allows HTML and JavaScript to be injected. The html_filter function did not escape single quotes. HTML attributes inside of […]

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Debian 11 — node-ua-parser-js — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-ua-parser-js — multiple vulnerabilities (3 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-2020-7793 CVE-2021-27292 CVE-2022-25927 Upstream summary: The package ua-parser-js before 0.7.23 are vulnerable to Regular Expression Denial of Service (ReDoS) in multiple regexes (see linked commit for more info). […]

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Debian 9 — exiv2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — exiv2 — 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-2018-10958 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 — snakeyaml — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — snakeyaml — multiple vulnerabilities (8 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-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 — rust-nix — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — rust-nix — 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-2021-45707 Upstream summary: An issue was discovered in the nix crate 0.16.0 and later before 0.20.2, 0.21.x before 0.21.2, and 0.22.x before 0.22.2 for Rust. unistd::getgrouplist has an out-of-bounds […]

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