IT, Cloud & DevOps Blog

Debian 12 — bibutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — bibutils — multiple vulnerabilities (3 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-2018-10773 CVE-2018-10774 CVE-2018-10775 Upstream summary: NULL pointer deference in the addsn function in serialno.c in libbibcore.a in bibutils through 6.2 allows remote attackers to cause a denial of […]

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

Debian 11 — rust-smallvec — 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-2018-25023 CVE-2019-15551 CVE-2019-15554 CVE-2021-25900 Upstream summary: An issue was discovered in the smallvec crate before 0.6.13 for Rust. It can create an uninitialized value of any type, including […]

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Debian 12 — coturn — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — coturn — multiple vulnerabilities (9 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-2018-4056 CVE-2018-4058 CVE-2018-4059 CVE-2020-26262 CVE-2020-4067 CVE-2020-6061 CVE-2020-6062 CVE-2026-27624  +1 more Upstream summary: An exploitable SQL injection vulnerability exists in the administrator web portal function of coTURN prior to […]

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Debian 13 — ruby-nokogiri — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ruby-nokogiri — multiple vulnerabilities (6 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-2012-6685 CVE-2019-5477 CVE-2020-26247 CVE-2022-23476 CVE-2022-24836 CVE-2022-29181 Upstream summary: Nokogiri before 1.5.4 is vulnerable to XXE attacks Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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

Debian 12 — imwheel — 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-2004-2698 Upstream summary: Race condition in IMWheel 1.0.0pre11 and earlier, when running with the -k option, allows local users to cause a denial of service (IMWheel crash) and […]

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Debian 12 — ruamel.yaml — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ruamel.yaml — 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-2019-20478 Upstream summary: In ruamel.yaml through 0.16.7, the load method allows remote code execution if the application calls this method with an untrusted argument. In other words, this […]

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

Debian 13 — ecdsautils — 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-2022-24884 Upstream summary: ecdsautils is a tiny collection of programs used for ECDSA (keygen, sign, verify). `ecdsa_verify_[prepare_]legacy()` does not check whether the signature values `r` and `s` are non-zero. […]

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Debian 11 — qtconnectivity-opensource-src — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — qtconnectivity-opensource-src — 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-2025-23050 Upstream summary: QLowEnergyController in Qt before 6.8.2 mishandles malformed Bluetooth ATT commands, leading to an out-of-bounds read (or division by zero). This is fixed in 5.15.19, 6.5.9, […]

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Debian 11 — guacamole-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — guacamole-server — 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-2020-9497 CVE-2020-9498 Upstream summary: Apache Guacamole 1.1.0 and older do not properly validate datareceived from RDP servers via static virtual channels. If a userconnects to a malicious or […]

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

Debian 11 — fontconfig — 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-2016-5384 Upstream summary: fontconfig before 2.12.1 does not validate offsets, which allows local users to trigger arbitrary free calls and consequently conduct double free attacks and execute arbitrary […]

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