What is CVE-2026-106116?

CVE-2026-106116 is a medium-severity vulnerability in Sixlabors Imagesharp, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.3/10. Published 2026-10-06.

How severe is CVE-2026-106116?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Sixlabors Imagesharp

CVE-2026-106116

ImageSharp is a 2D graphics library. From 2.0.0 until 4.1.2, ExifReader.ReadValues64 trusts the 64-bit BigTIFF IFD entry count and iterates once per declared entry. When fewer than 20 bytes remain, ExifReader.ReadValue64 returns without advancing the stream or terminating the outer loop, so a small malformed BigTIFF can keep one decoder thread executing for an attacker-controlled duration. This report does not claim worker-pool exhaustion. This issue is fixed in version 4.1.2.

Published 2026-10-06 · last modified 2026-10-06.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Sixlabors Imagesharp — versions >= 2.0.0, < 4.1.2

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

Frequently asked questions

What is CVE-2026-106116?: CVE-2026-106116 is a medium-severity vulnerability in Sixlabors Imagesharp, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.3/10. Published 2026-10-06.
How severe is CVE-2026-106116?: Medium severity. CVSS v3 base score is 5.3 out of 10.