ByteOS Network

CVE Vulnerability Details :

CVE-2026-48840

PUBLISHED

More Info Official Page

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-30 May, 2026 | 01:50

Updated At-30 May, 2026 | 03:08

▼CVE Numbering Authority (CNA)

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.

Affected Products

Vendor

Exim

Product

Exim

Repo

https://code.exim/org/exim/exim

Default Status

unaffected

Versions

Affected

From 4.88 before 4.99.4 (custom)

Problem Types

Type	CWE ID	Description
CWE	CWE-839	CWE-839 Numeric Range Comparison Without Minimum Check

Type: CWE

CWE ID: CWE-839

Description: CWE-839 Numeric Range Comparison Without Minimum Check

Metrics

Version	Base score	Base severity	Vector
3.1	5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Version: 3.1

Base score: 5.3

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

Hyperlink	Resource
https://exim.org/static/doc/security/EXIM-Security-2026-05-19.1	N/A
https://www.openwall.com/lists/oss-security/2026/05/29/3	N/A

Hyperlink: https://exim.org/static/doc/security/EXIM-Security-2026-05-19.1

Resource: N/A

Hyperlink: https://www.openwall.com/lists/oss-security/2026/05/29/3

Resource: N/A

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
http://www.openwall.com/lists/oss-security/2026/05/29/3	N/A

Hyperlink: http://www.openwall.com/lists/oss-security/2026/05/29/3

Resource: N/A

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References