CVE-2026-33809: medium-severity vulnerability in golang.org/x/image/tiff
OOM from malicious IFD offset in golang.org/x/image/tiff
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.4%
exploitation probability
0.4%top 69% of all CVEs
observed exploitation
nono source reports it
A maliciously crafted TIFF file can cause image decoding to attempt to allocate up 4GiB of memory, causing either excessive resource consumption or an out-of-memory error.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
golang.org/x/image · golang.org/x/image/tiffRelated CVEs — golang.org/x/image/tiff
In the same product, most dangerous first.
CVE-2023-29408—Excessive resource consumption in golang.org/x/image/tiffEPSS 0.9%CVE-2023-29407—Excessive CPU consumption when decoding 0-height images in golang.org/x/image/tiffEPSS 0.9%CVE-2024-24792HIGHPanic when parsing invalid palette-color images in golang.org/x/imageEPSS 0.7%CVE-2026-46599HIGHExcessive resource consumption in PackBits decompression in golang.org/x/image/tiffEPSS 0.6%CVE-2026-46604HIGHPanic decoding image with out-of-bounds strip offset in x/image/tiff in golang.org/x/imageEPSS 0.6%CVE-2026-46602HIGHLack of limit on tile sizes in x/image/tiff in golang.org/x/imageEPSS 0.6%