libvips is a fast image processing library with low memory needs

At a glance

Canonical Ubuntu Linux: Red, act today. A vulnerability exists in NGINX Plus and NGINX Open Source when a map directive uses regex matching and the root directive or access log format references the map's regex capture variables before referencing the map output variable. An unauthenticated attacker can exploit this vulnerability by sending crafted HTTP requests, causing a heap buffer overflow in the NGINX worker process leading to a restart, or potential…

The flaws

• CVE-2026-70651: Libvips is a fast image processing library with low memory needs (CVSS 6.9)
• CVE-2026-93479: Heap buffer overflow can lead to remote code execution (CVSS 8.1 · EPSS 1%)
• CVE-2026-15176: Heap buffer overflow can lead to remote code execution (CVSS 8.1 · EPSS 1%)
• CVE-2026-97205: NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_core_module module (CVSS 8.1 · EPSS 1%)

The fix

Upgrade Canonical Ubuntu Linux: 8.18.3 or later on your release line

Who is exposed: {'products': ['NGINX Plus', 'NGINX Open Source'], 'packages': [], 'versions': []}

Where it stands

• No known exploitation

How it unfolded

1. 26 Oct, Ubuntu security notices (official): USN-8955-1: nginx vulnerabilities
2. 3 Nov, Ubuntu security notices (official): USN-8994-1: libvips vulnerabilities

Connects to

• Same weakness: CWE-680 (CWE-680). 2 other warnings in 30 days
• Same product: Earlier Canonical Ubuntu Linux warnings. 96 in the last 90 days