Bug 2547911 (CVE-2026-107570)

Summary: CVE-2026-107570 mutt: mutt: Memory corruption via crafted Content-Type header in email template
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in mutt. When an email is processed as a template, an out-of-bounds write vulnerability in the convert_file_from_to() function can be triggered by a specially crafted Content-Type header. A remote attacker could entice a user to use a malicious email message as a template, potentially leading to memory corruption and application instability.
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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: 2547940    
Bug Blocks:    

Description OSIDB Bzimport 2026-10-08 11:42:10 UTC
heap OOB write in convert_file_from_to() via a crafted Content-Type header allows attacker to OOB write when email is used as a template.