Common Problems

FreeBSD 13 — e2fsprogs-roothardlinks — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — e2fsprogs-roothardlinks — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: e2fsprogs — out-of-bounds read/write vulnerability Related CVEs: CVE-2022-1304 Upstream summary: Nils Bars reports: During the processing of [a specially fuzzed disk image], an out-of-bounds write is triggered and causes a […]

Read more
Common Problems 117012

Ubuntu 22.04 UFW blocks expected application traffic

🟡 Medium   ⏱ 5–30 min  Last verified: 16 September 2022 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

Read more
FreeBSD 13 — linux-netscape-navigator — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-netscape-navigator — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libpng stack-based buffer overflow and other code concerns Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 Upstream summary: Chris Evans has discovered multiple vulnerabilities in libpng, which can be exploited by malicious people […]

Read more
FreeBSD 13 — linux-gdk-pixbuf — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-gdk-pixbuf — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gdk-pixbuf — image decoding vulnerabilities Related CVEs: CVE-2004-0782 CVE-2004-0783 CVE-2004-0788 Upstream summary: Chris Evans discovered several flaws in the gdk-pixbuf XPM image decoder: Heap-based overflow in pixbuf_create_from_xpm Stack-based overflow in […]

Read more
AlmaLinux 8 — fontconfig — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — fontconfig — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4507 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

Debian 11 — miredo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-6858 Upstream summary: Miredo 0.9.8 through 1.0.5 does not properly authenticate a Teredo bubble during UDP hole punching with HMAC-MD5-64 hashing, which allows remote attackers to impersonate an […]

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

Debian 11 — ksh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14868 Upstream summary: In ksh version 20120801, a flaw was found in the way it evaluates certain environment variables. An attacker could use this flaw to override or […]

Read more
Debian 11 — kwallet-pam — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — kwallet-pam — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-10380 Upstream summary: kwallet-pam in KDE KWallet before 5.12.6 allows local users to obtain ownership of arbitrary files via a symlink attack. Table of contents Symptom & Impact […]

Read more
Gentoo Linux — www-servers/puma — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-servers/puma — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202208-28 Related CVEs: CVE-2021-29509 CVE-2021-41136 CVE-2022-23634 CVE-2022-24790 Upstream summary: Multiple vulnerabilities have been discovered in Puma. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment […]

Read more
Debian 11 — lynis — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lynis — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-3986 CVE-2017-8108 CVE-2019-13033 CVE-2020-13882 Upstream summary: include/tests_webservers in Lynis before 1.5.5 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/lynis.*.unsorted file with an […]

Read more
CHAT