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NVD Vulnerability Details :
CVE-2026-48840
Received
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-30 May, 2026 | 02:16
Updated At-30 May, 2026 | 04:17

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Type: Secondary
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
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-839Secondarycve@mitre.org
CWE ID: CWE-839
Type: Secondary
Source: cve@mitre.org
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://exim.org/static/doc/security/EXIM-Security-2026-05-19.1cve@mitre.org
N/A
https://www.openwall.com/lists/oss-security/2026/05/29/3cve@mitre.org
N/A
http://www.openwall.com/lists/oss-security/2026/05/29/3af854a3a-2127-422b-91ae-364da2661108
N/A
Hyperlink: https://exim.org/static/doc/security/EXIM-Security-2026-05-19.1
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.openwall.com/lists/oss-security/2026/05/29/3
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2026/05/29/3
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Change History
0Changes found
Details not found