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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

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

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 22.04 LTS: Linux Kernel Critical Flaws Fixed USN-7726-2

Several security issues were fixed in the Linux kernel.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Tumbleweed: Perl-Crypt-CBC Moderate Vulnerability Fix 2025:15495-1

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE: tomcat10 Important DoS Fix CVE-2025-48989 Advisory 2025:03006-1

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 14.04 LTS: Linux Kernel Critical DoS Flaws USN-7720-1 CVE-2021-0920

Several security issues were fixed in the Linux kernel.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE: jetty-minimal Important DoS Fix CVE-2025-5115 2025:02993-1

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE 15.6: ffmpeg Moderate NULL Pointer Dereference CVE-2025-7700

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE 15.6: Critical DoS Patch for tomcat11 CVE-2025-48989 Released

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Leap 15.6: Important Firebird Denial of Service CVE-2025-54989

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 8 pam Important Update ELSA-2025-14557 CVE-2025-6020

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

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 8 ELSA-2025-14553 Addresses Python-Cryptography Vulnerability

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

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 8 Python3.12 Moderate Advisory ELSA-2025-14546 CVE-2025-8194

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

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Leap 15.6: SUSE-SU-2025:02988-1 Moderate govulncheck-vulndb Patch

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE: Tomcat11 Moderate CVE-2025-48989 Advisory 2025:15491-1

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Tumbleweed: tomcat Moderate Fix for CVE-2025-48989 2025:15489-1

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Tumbleweed: Tomcat10 Moderate CVE-2025-48989 Advisory 2025:15490-1

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 7 ELSA-2025-10219 glibc Moderate Buffer Overflow

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

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Leap 15.6: Low Severity CVE-2025-9301 Report for cmake3

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE: kubernetes1.18 Important CVE-2021-3121 DoS Threat 2025:02977-1

Linux Kubernetes

LinuxSecurity - Security Advisories

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openSUSE: pam Moderate Security Update CVE-2024-10041 Advisory 2025:02970-1

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE: Linux Kernel Important Security Fix DoS CVE-2025-38471

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Debian 11: Thunderbird Critical Security Flaws Advisory DLA-4279-1

Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code. For Debian 11 bullseye, these problems have bee…

LinuxSecurity - Security Articles

LinuxSecurity - Security Articles Vulnerabilities

How RingReaper Linux Malware Exploits io_uring to Evade EDR Systems

There's a new tool of mischief in the Linux cybersecurity world, and it's not just a cause for concern''it's quite the wake-up call. ''RingReaper'' isn't your …

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE: libtiff-devel-32bit Moderate Issues CVE-2024-13978 2025:15487-1

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE: Jupyter Moderate Fix CVE-2025-9287 Advisory 15485-1