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Alert

Sophos XG Firewall Buffer Overflow Vulnerability

Sophos XG Firewall contains a buffer overflow vulnerability that allows for remote code execution via the "HTTP/S bookmark" feature.Vendor: Sopho

Security · HIGH
Source: CISA Known Exploited VulnerabilitiesMay 2, 2026, 4:51 PMSecurityhigh

Full content

Sophos XG Firewall contains a buffer overflow vulnerability that allows for remote code execution via the "HTTP/S bookmark" feature.

Vendor: Sophos

Product: XG Firewall

Due date: 2025-02-27

Known ransomware use: Unknown

Why it matters

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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Sophos XG Firewall Buffer Overflow Vulnerability | OpsBuzz