CVE-2026-39919 Ghostscript - Remote Code Execution

Ghostscript < 10.08.0 contains a heap-based buffer overflow caused by mismatched component subsampling factors in JPEG 2000 output adapter, letting attackers cause memory corruption and execute code via crafted PDF, exploit requires crafted PDF input.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.78% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-122

Vendor fix

Update to version 10.08.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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