CISCO: ๐Ÿ—“๏ธ Calendar: Oct 21, 2026

CISCO Security Advisory Published Date: Not specified CVE: CVE-2026-20218 Advisory Summary ๐Ÿšจ โš ๏ธ Multiple Cisco Products: Snort 3 VBA Buffer Overflow DoS (Unauthenticated Remote Restart) โ„น๏ธ Whatโ€™s happening? Cisco disclosed a vulnerability in the Snort 3 Visual Basic for Applications (VBA) Decompression Engine used across multiple Cisco products. A remote attacker can trigger the Snort […]

CISCO: ๐Ÿงพ Reference: CISCO Security Advisory โ€“ Snort 3 Hardening Release (Oct 2026)

CISCO Security Advisory Published Date: Not specified CVE: CVE-2026-20043 Advisory Summary ๐Ÿ—“๏ธ Calendar 21 Oct 2026 ๐Ÿ›ก๏ธ ๐Ÿ”ท Multiple Cisco Products: Snort 3 Security Hardening Release (Oct 2026) Cisco has published a Critical security hardening release for Cisco-owned Snort 3 Software following an internal security review. The update addresses multiple issues associated with out-of-bounds writes […]

CISCO: ๐Ÿ—“๏ธ ๐Ÿ“… October 21, 2026

CISCO Security Advisory Published Date: Not specified CVE: CVE-2026-76487 Advisory Summary ๐Ÿ”” โš ๏ธ Cisco Unified Communications Manager Access Control Bypass (CVE-2026-76487) Cisco Unified Communications Manager (Unified CM) and Unified CM Session Management Edition (Unified CM SME) have an access control bypass risk. The root cause is improper input validation for certain HTTP requests. A remote, […]

CISCO: ๐Ÿ”— Reference: Cisco Security Advisory โ€” Multiple Cisco Products Snort 3 Denial of Service Vulnerabilities

CISCO Security Advisory Published Date: Not specified CVE: CVE-2026-20019 Advisory Summary ๐Ÿ—“๏ธ 21 Oct 2026 โฌ› ๐Ÿ›ก๏ธ Multiple Cisco Productsโ€”Snort 3 Detection Engine DoS Risk (Unauthenticated Remote Restart) โš ๏ธ Alarm: Cisco reports multiple vulnerabilities in the Snort 3 Detection Engine that could let an unauthenticated remote attacker trigger unexpected restarts of the Snort 3 Detection […]

CISCO: ๐Ÿ—“๏ธ 21 October 2026

CISCO Security Advisory Published Date: Not specified CVE: CVE-2026-20011 Advisory Summary ๐Ÿšจ Multiple Cisco Products โ€” Snort 3 SMTP MIME DoS Vulnerability (CVE-2026-20011) โš ๏ธ What happened? Cisco reports a vulnerability in the Snort 3 SMTP MIME Decoder that can be triggered by an unauthenticated remote attacker. The issue is caused by insufficient error checking while […]

CISCO: ๐Ÿ—“๏ธ Calendar: Oct 21, 2026

CISCO Security Advisory Published Date: Not specified CVE: CVE-2026-76505 Advisory Summary ๐ŸŽฏ โš ๏ธ Cisco IOS XR DoS Advisory for ASR 9000/9900 Series (IPv4 Unicast Processing) ๐Ÿšจ ALARMS (Security Impact: High | CVE-2026-76505) Cisco reports a high-severity Denial of Service (DoS) vulnerability in Cisco IOS XR Software affecting ASR 9000 and ASR 9900 Series Aggregation Services […]

CISCO: โ„น๏ธ Reference: Cisco Security Advisory โ€“ Cisco Expressway Series Information Disclosure Vulnerability

CISCO Security Advisory Published Date: Not specified CVE: CVE-2026-76435 Advisory Summary ๐Ÿ“… October 21, 2026 ๐Ÿ” ๐Ÿ“ฃ Cisco Expressway Series โ€“ Information Disclosure (Unauthenticated MRA Provisioning) ๐Ÿšจ โš ๏ธ Risk Summary (Medium) Cisco Expressway Core (Expressway-C) and Expressway Edge (Expressway-E) may expose sensitive information to an unauthenticated, remote attacker. This is enabled by insufficient authorization checks […]

CISCO: ๐Ÿ“… October 21, 2026 โ€” Cisco PSIRT published a new batch of security advisories, urging customers to upgrade to the fixed releases referenced in each advisoryโ€”especially for Snort 3 hardening and multiple denial-of-service vectors.

CISCO Security Advisory Published Date: Not specified CVE: CVE-2026-20043 Advisory Summary Multiple Cisco Products Snort 3 Security Hardening Release: October 2026 CVE IDs: CVE-2026-20043, CVE-2026-20236, CVE-2026-20291, CVE-2026-20356 Impact: Rated Critical with CVSS 9.0 Market action: Treat as top-of-funnel patching for intrusion detection deployments; validate sensor/management upgrade paths and regression-test detection rules. Open Source Snort 3 […]

CISCO: – Reference: Cisco Security Advisory โ€“ cisco-sa-php-october26-Jj384Daq

CISCO Security Advisory Published Date: Not specified CVE: CVE-2026-109618 Advisory Summary ๐Ÿ“… October 21, 2026 ๐Ÿ”ท ๐Ÿ›ก๏ธ Vulnerability Watch: Critical PHP RCE in Cisco-Linked Environments (PHP2shell) Cisco security intelligence highlights a Critical PHP security release from the PHP Foundation that impacts environments where vulnerable PHP components are used within Cisco products or their supporting stacks. […]

FORTINET: ๐Ÿ›ก๏ธ ๐Ÿ“Œ Publication: Wed, 21 Oct 2026

FORTINET Security Advisory Published Date: Not specified CVE: CVE-2026-109618 Advisory Summary ๐Ÿ—“๏ธ ๐Ÿšจ โš ๏ธ High-Critical Alert: PHP Core Remote Code Execution (RCE) Fortinet PSIRT reports critical patches for two PHP core vulnerabilities with a CVSSv3 score of 9.8, enabling remote attackers to achieve RCE under specific out-of-memory (OOM) handling conditions. — ๐Ÿงฉ ๐Ÿ”Ž Whatโ€™s happening […]