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CVE-2026-106116

5.3 medium SSVC exploitation: poc Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 4

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.3 · sixlaborsNVD modified 2026-10-24 01:24

Affected (CPE criteria) 1

  • cpe:2.3:a:sixlabors:imagesharp:*:*:*:*:*:*:*:*

References 5