Linux · 
Debian · Security advisory · October 21, 2026
Debian · Security advisory · October 21, 2026DEBIAN-CVE-2026-109618: Security update for 2 packages
DEBIAN-CVE-2026-109618, released October 21, 2026, fixes 1 CVE across 2 products. One of them is being exploited (CVE-2026-109618); 1 on CISA KEV. Patch Radar priority: Patch now.
Patch now1 on CISA KEV
CVEs closed
1
1 rated Critical
Exploited
1
CVE-2026-109618
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
1.0000
99th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| php8.2 | Debian 12.15 (bookworm) | 8.2.35-1~deb12u1 |
| php8.4 | Debian 13.5 (trixie) | 8.4.27-1~deb13u1 |
| php8.4 | Debian 14 | 8.4.27-1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Patch now | CVE-2026-109618 | php8.1-gd: PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request | 9.8 | 1.0000 | KEVExploited |
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