Bug 2483504 (CVE-2026-48840) - CVE-2026-48840 exim: Exim: Information disclosure via mishandled short payloads in proxy configurations
Summary: CVE-2026-48840 exim: Exim: Information disclosure via mishandled short payloa...
Keywords:
Status: NEW
Alias: CVE-2026-48840
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2484717 2484718
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-30 03:01 UTC by OSIDB Bzimport
Modified: 2026-06-04 11:09 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-05-30 03:01:19 UTC 
Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client.
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