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ImageSharp: TIFF CCITT T4 encoder can write past its compressed output buffer

Exact source revision recorded 23 Oct 2026 16:01:25 UTC. It does not establish the source's current position. Latest evidence.

osv · GHSA-j9gm-c75j-xc9q

Published

SixLabors.ImageSharp

NuGet

ECOSYSTEM · introduced 2.0.0 → fixed 4.1.2

34 explicitly affected versions

2.0.0, 2.1.0, 2.1.1, 2.1.10, 2.1.11, 2.1.12, 2.1.13, 2.1.2, 2.1.3, 2.1.4, 2.1.5, 2.1.6, 2.1.7, 2.1.8, 2.1.9, 3.0.0, 3.0.1, 3.0.2, 3.1.0, 3.1.1, 3.1.10, 3.1.11, 3.1.12, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.6, 3.1.7, 3.1.8, 3.1.9, 4.0.0, 4.1.0, 4.1.1

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 26 Oct 08:27 UTC · 272 of 272 readable · 270 fully read · documentation 469/469 current