CVE-2026-106115 ImageSharp - Buffer Overflow

ImageSharp 2.1.0 to 4.1.2 contains a buffer overflow caused by unchecked writes in TIFF CCITT Group 4 encoder's TiffCcittCompressor.WriteCode, letting attackers cause memory corruption and process termination, exploit requires attacker-supplied input with specific metadata.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.35% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-787

Vendor fix

Update to version 4.1.2 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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