Bug 2544154 (CVE-2026-103500) - CVE-2026-103500 thunderbird: thunderbird: Heap buffer overflow via opening large emails
Summary: CVE-2026-103500 thunderbird: thunderbird: Heap buffer overflow via opening la...
Keywords:
Status: NEW
Alias: CVE-2026-103500
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-30 17:22 UTC by OSIDB Bzimport
Modified: 2026-10-15 21:40 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-09-30 17:22:39 UTC 
An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size. This vulnerability was fixed in Thunderbird 157.
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