Security Hardening

Debian 13 — jakarta-el-api — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — jakarta-el-api — 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-2021-28170 Upstream summary: In the Jakarta Expression Language implementation 3.0.3 and earlier, a bug in the ELParserTokenManager enables invalid EL expressions to be evaluated as if they were valid. […]

Read more
Debian 12 — libitext-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libitext-java — 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-2021-37819 Upstream summary: PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java. Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
Debian 11 — awstats — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — awstats — multiple vulnerabilities (20 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-2005-0116 CVE-2005-0362 CVE-2005-0363 CVE-2005-0435 CVE-2005-0436 CVE-2005-0437 CVE-2005-0438 CVE-2005-1527  +12 more Upstream summary: AWStats 6.1, and other versions before 6.3, allows remote attackers to execute arbitrary commands via shell […]

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

Debian 12 — merkaartor — 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-2009-4193 Upstream summary: Merkaartor 0.14 allows local users to append data to arbitrary files via a symlink attack on the /tmp/merkaartor.log temporary file. Table of contents Symptom & […]

Read more
Debian 11 — mapserver — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mapserver — multiple vulnerabilities (20 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-2007-4542 CVE-2007-4629 CVE-2009-0839 CVE-2009-0840 CVE-2009-0841 CVE-2009-0842 CVE-2009-0843 CVE-2009-1176  +12 more Upstream summary: Multiple cross-site scripting (XSS) vulnerabilities in MapServer before 4.10.3 allow remote attackers to inject arbitrary web […]

Read more
Debian 13 — maxima — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — maxima — 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-2024-34490 Upstream summary: In Maxima through 5.47.0 before 51704c, the plotting facilities make use of predictable names under /tmp. Thus, the contents may be controlled by a local attacker […]

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

Debian 12 — backintime — 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-2009-3611 CVE-2017-16667 CVE-2017-7572 Upstream summary: common/snapshots.py in Back In Time (aka backintime) 0.9.26 changes certain permissions to 0777 before deleting the files in an old backup snapshot, which […]

Read more
Debian 11 — info2www — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — info2www — 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-2004-1341 Upstream summary: Cross-site scripting (XSS) vulnerability in info2www before 1.2.2.9 allows remote attackers to inject arbitrary web script or HTML via the arguments to info2www. Table of […]

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

Debian 11 — supervisor — 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-2017-11610 CVE-2019-12105 Upstream summary: The XML-RPC server in supervisor before 3.0.1, 3.1.x before 3.1.4, 3.2.x before 3.2.4, and 3.3.x before 3.3.3 allows remote authenticated users to execute arbitrary […]

Read more
Debian 11 — libquartz-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libquartz-java — 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-2019-13990 Upstream summary: initDocumentParser in xml/XMLSchedulingDataProcessor.java in Terracotta Quartz Scheduler through 2.3.0 allows XXE attacks via a job description. Table of contents Symptom & Impact Environment & Reproduction […]

Read more
CHAT