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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

Debian LTS DLA-4694-1 NSS Critical Denial Of Service Code Execution

Several vulnerabilities were discovered in NSS, a set of cryptographic libraries, which may result in or denial of service or potentially the execution of arbi…

Linux

79 days ago · Jul 22, 2026, 11:40 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian Linux Major Privilege Escalation Denial of Service Issues DSA-6393-1

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. For the stabl…

Linux

80 days ago · Jul 21, 2026, 3:11 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 8 Container-Tools Important Fix ELSA-2026-38504 CVE-2026-33811

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

Linux Docker

81 days ago · Jul 20, 2026, 8:58 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 glibc Moderate Buffer Overflow Fix ELSA-2026-33092

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

81 days ago · Jul 20, 2026, 8:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 ELSA-2026-27740 ipp-usb Moderate CVE-2026-32281

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

81 days ago · Jul 20, 2026, 8:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 mod_http2 Important DoS Vulnerability ELSA-2026-25225

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

81 days ago · Jul 20, 2026, 8:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 .NET Important Update ELSA-2026-22145 CVE-2026-42899

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

81 days ago · Jul 20, 2026, 8:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 .NET 9.0 Important Patch Threat CVE-2026-42899

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

81 days ago · Jul 20, 2026, 8:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 Python-Markdown Important CVE-2025-69534 ELSA-2026-19155

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

81 days ago · Jul 20, 2026, 8:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 giflib Important Buffer Overflow Fix ELSA-2026-19154

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

81 days ago · Jul 20, 2026, 8:56 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 Grafana Vital Updates for CVE-2026-27877 ELSA-2026-19134

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

81 days ago · Jul 20, 2026, 8:56 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 26.04 Linux Kernel Privilege Escalation Vulnerabilities USN-8568-1

Several security issues were fixed in the Linux kernel.

Linux

81 days ago · Jul 20, 2026, 5:50 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 24.04 22.04 Kernel Important Security Flaws Fix USN-8567-1

Several security issues were fixed in the Linux kernel.

Linux

81 days ago · Jul 20, 2026, 5:43 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 libseccomp Important Buffer Overflow Issues 2026-752186819e

libseccomp 2.6.1 packaging changes Enable Python bindings on Fedora 44+ upstream changes - July 1, 2026 Update the syscall table for Linux v7.1.0-rc4

Linux

81 days ago · Jul 20, 2026, 2:54 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 libnfs Integer Overflow Security Fix DLA-4689-1 CVE-2026-53689

An issue has been found in libnfs, am NFS client library. The issue is related to to a missing validation of a string size that might lead to an integer overfl…

Linux

82 days ago · Jul 19, 2026, 9:19 AM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian LTS Linux Critical Privilege Escalation and DoS Update DLA-4688-1

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. For Debian 12…

Linux Azure

83 days ago · Jul 18, 2026, 4:17 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 Kernel Important Bug Fixes Vulnerability 2026-39494

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

84 days ago · Jul 17, 2026, 6:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 ipp-usb Significant Patch Updates ELSA-2026-35832

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

84 days ago · Jul 17, 2026, 6:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux grafana-pcp Important CVE-2026-39821 Advisory ELSA-2026-35826

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

84 days ago · Jul 17, 2026, 6:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 ELSA-2026-34109 httpd Important Buffer Overflow Fix

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

84 days ago · Jul 17, 2026, 6:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 giflib Critical Buffer Overflow Resolution ELSA-2026-33502

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

84 days ago · Jul 17, 2026, 6:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 perl-IO-Compress Important File Fix CVE-2026-48962

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

84 days ago · Jul 17, 2026, 6:57 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 Postfix Important Buffer Overflow Fix ELSA-2026-25930

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

84 days ago · Jul 17, 2026, 6:56 PM Read more →
LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Oracle Linux 10 .NET 9.0 Significant Security Patch ELSA-2026-25112

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Linux

84 days ago · Jul 17, 2026, 6:56 PM Read more →
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