CVE-2026-46599High· 7.5▾ Twilightgolang.org/x/image/tiff has excessive resource consumption in PackBits decompression
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 4.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via GHSA
0.4%
The TIFF decoder does not place a limit on the size of PackBits-compressed data. A maliciously-crafted image can exploit this to cause a small image (both in terms of pixel width/height and encoded size) to make the decoder decode large amounts of compressed data.
golang.org/x/image < 0.41.0Upgrade to a patched release:
golang.org/x/image 0.41.0Connected by shared product, vendor, weakness, or advisory.
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