chris

Debian 13 — re2c — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — re2c — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-21232 CVE-2020-11958 CVE-2022-23901 CVE-2026-2903 Upstream summary: re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 13 — libical3 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libical3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9584 Upstream summary: libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file. Table of contents Symptom & […]

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Alpine Linux edge — mbedtls3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — mbedtls3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.6.6-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mbedtls3 3.6.6-r0 Related CVEs: CVE-2026-25833 CVE-2026-25834 CVE-2026-25835 CVE-2025-54764 CVE-2025-59438 CVE-2025-47917 CVE-2025-48965 CVE-2025-49087  +12 more Upstream summary: Alpine community repository for vedge ships mbedtls3 3.6.6-r0 which […]

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Amazon Linux 2 — apache-commons-vfs — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — apache-commons-vfs — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-2819 Related CVEs: CVE-2025-30474 CVE-2025-27553 Upstream summary: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Commons VFS. The FtpFileObject class can throw an exception when a file […]

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Debian 13 — evolution — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — evolution — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1471 CVE-2002-1765 CVE-2003-0128 CVE-2003-0129 CVE-2003-0130 CVE-2003-0133 CVE-2003-0296 CVE-2005-0102  +12 more Upstream summary: The camel component for Ximian Evolution 1.0.x and earlier does not verify certificates when it establishes […]

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Debian 13 — wss4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — wss4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0226 CVE-2015-0227 Upstream summary: Apache WSS4J before 1.6.17 and 2.0.x before 2.0.2 improperly leaks information about decryption failures when decrypting an encrypted key or message data, which makes […]

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Rocky Linux 8 — perl-constant — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-constant — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have […]

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

Debian 11 — underscore — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-23358 CVE-2026-27601 Upstream summary: The package underscore from 1.13.0-0 and before 1.13.0-2, from 1.3.2 and before 1.12.1 are vulnerable to Arbitrary Code Injection via the template function, particularly […]

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

Debian 12 — python-authlib — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 June 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-37568 CVE-2025-59420 CVE-2025-61920 CVE-2025-62706 CVE-2025-68158 CVE-2026-27962 CVE-2026-28490 CVE-2026-28498  +1 more Upstream summary: lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified […]

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