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Atlassian Data Center — CVE-2026-21589
Vulnerability High

Atlassian Data Center: critical flaw lets anyone read files on Jira, Confluence and Bitbucket servers

Atlassian disclosed on 5 October 2026 CVE-2026-21589 (CVSS 9.3), a path traversal flaw in eight self-hosted products, including Jira, Confluence and Bitbucket Data Center. No logi…

AtlassianJiraConfluence

October 7, 2026 Read more →
Citrix NetScaler — CVE-2026-88771 · 88772 · 88779
Vulnerability Critical

Citrix NetScaler: two critical zero-days under mass exploitation — patch, then check for compromise

Two pre-authentication flaws in NetScaler ADC and Gateway (CVE-2026-88771 and CVE-2026-88772, CVSS 9.5) were exploited before any fix existed and are now used by many attacker gro…

CitrixVPN

October 4, 2026 Read more →
Source Watch

Latest headlines from security outlets

Collected every two hours from specialised publications — each link leads to the original article.

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 25.10 Linux Kernel Security Advisory 8546-1 CVE-2026-22984

Several security issues were fixed in the Linux kernel.

Linux

87 days ago · Jul 15, 2026, 12:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS opam Significant Directory Traversal Flaw DLA-4684-1

Kate Deplaix reported that .install file directives were insufficiently restricted in OPAM, a package manager for OCaml. Installing files through .install file…

Linux

87 days ago · Jul 15, 2026, 3:03 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 9 Podman Important ELSA-2026-38878 CVE-2026-39822

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Linux

88 days ago · Jul 14, 2026, 6:05 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 9 gimp Important DoS Fix ELSA-2026-38496 CVE-2026-58379

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Linux

88 days ago · Jul 14, 2026, 6:05 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 8 freerdp Security Alert ELSA-2026-38501 CVE-2026-45700

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Linux

88 days ago · Jul 14, 2026, 6:05 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 8 xorg-x11-server-Xwayland Important CVE-2026-55999 Advisory

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Linux

88 days ago · Jul 14, 2026, 6:05 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 8 Kernel Important ELSA-2026-36366 CVE-2026-43112

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Linux

88 days ago · Jul 14, 2026, 6:05 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 9 buildah Key CVE-2026-39822 Security Notice ELSA-2026-38493

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Linux

88 days ago · Jul 14, 2026, 12:00 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS DLA-4680-1 imagemagick Important DoS Code Exec Issues

Multiple security vulnerabilities were discovered in imagemagick, a software suite used for editing and manipulating digital images, which could lead to denial…

Linux

88 days ago · Jul 14, 2026, 1:23 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 9 buildah Important Threats CVE-2026-39832 CVE-2026-39835

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Linux

89 days ago · Jul 13, 2026, 11:09 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 9 freerdp Important Fix for CVE-2026-45700 ELSA-2026-37207

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Linux

89 days ago · Jul 13, 2026, 11:09 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 9 Nginx Important Buffer Overflow Advisory ELSA-2026-36618

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Linux Nginx

89 days ago · Jul 13, 2026, 11:09 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 8 Kernel Important ELSA-2026-50387 CVE-2026-43499

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Linux

89 days ago · Jul 13, 2026, 11:09 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux ELSA-2026-36734 libxml2 Low Fix CVE-2025-6170

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Linux

89 days ago · Jul 13, 2026, 11:08 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 8 libsolv Important Buffer Overflow Vuln ELSA-2026-36730

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Linux

89 days ago · Jul 13, 2026, 11:08 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 7 ELSA-2026-50388 Kernel Important Fix CVE-2026-43499

The following updated rpms for Oracle Linux 7 have been uploaded to the Unbreakable Linux Network:

Linux

89 days ago · Jul 13, 2026, 11:07 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 7 libexif Moderate Fix ELSA-2026-26567 with CVE-2026-40385

The following updated rpms for Oracle Linux 7 have been uploaded to the Unbreakable Linux Network:

Linux

89 days ago · Jul 13, 2026, 11:07 AM Read more →
LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

Linux Privilege Escalation from a Defensive Perspective: Sudoers and SUID Misconfigurations

Root access on a Linux system rarely arrives through a zero-day.

Linux

91 days ago · Jul 11, 2026, 12:41 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 18.04 AWS Kernel Important Privilege Escalation Flaws USN-8530-1

Several security issues were fixed in the Linux kernel.

Linux AWS

92 days ago · Jul 10, 2026, 12:13 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 18.04 Linux Kernel Critical Flaw Privilege Escalation USN-8529-1

Several security issues were fixed in the Linux kernel.

Linux

92 days ago · Jul 10, 2026, 12:06 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 22.04 Xilinx ZynqMP Major Security Vulnerabilities USN-8528-1

Several security issues were fixed in the Linux kernel.

Linux

92 days ago · Jul 10, 2026, 11:58 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 24.04 LTS Linux Kernel Important Security Flaws USN-8492-5

Several security issues were fixed in the Linux kernel.

Linux

92 days ago · Jul 10, 2026, 11:43 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS rlottie Critical C++ Bug Fixes Advisory DLA-4675-1

rLottie is a platform independent C++ library for rendering vector-based animations and art. Its format is used by Telegram Desktop, fast and secure messaging …

Linux

92 days ago · Jul 10, 2026, 6:38 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 12 DLA-4674-1 Chromium Security Fix Code Execution Risk

Debian LTS released an advisory regarding security issues in Chromium that could allow arbitrary code execution and other vulnerabilities, recommending an upgr…

Linux Chrome

93 days ago · Jul 9, 2026, 9:15 AM Read more →
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