Bug 2451437 (CVE-2026-33809)

Summary: CVE-2026-33809 golang: golang.org/x/image/tiff: golang.org/x/image/tiff: Denial of Service via maliciously crafted TIFF file
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: aazores, bbrownin, cmah, eaguilar, ebaron, fdeutsch, jcantril, jolong, oramraz, pjindal, rojacob, smullick, stirabos, thason
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in golang.org/x/image/tiff. A remote attacker could exploit this vulnerability by providing a maliciously crafted Tagged Image File Format (TIFF) file. This could cause the image decoding process to attempt to allocate up to 4 gigabytes (GiB) of memory. The excessive resource consumption or an out-of-memory error would lead to a Denial of Service (DoS) condition.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2451478    
Bug Blocks:    

Description OSIDB Bzimport 2026-03-25 19:02:18 UTC
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.