Description
MailCarrier 2.51 contains a buffer overflow vulnerability in the POP3 USER command that allows remote attackers to execute arbitrary code. Attackers can send a crafted oversized buffer to the POP3 service, overwriting memory and potentially gaining remote system access.
Published: 2026-02-18
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 24 Feb 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Tabslab
Tabslab mailcarrier
CPEs cpe:2.3:a:tabslab:mailcarrier:2.51:*:*:*:*:*:*:*
Vendors & Products Tabslab
Tabslab mailcarrier

Fri, 20 Feb 2026 01:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 19 Feb 2026 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Tabs Laboratories Corporation
Tabs Laboratories Corporation win10 Mailcarrier
Vendors & Products Tabs Laboratories Corporation
Tabs Laboratories Corporation win10 Mailcarrier

Wed, 18 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
Description MailCarrier 2.51 contains a buffer overflow vulnerability in the POP3 USER command that allows remote attackers to execute arbitrary code. Attackers can send a crafted oversized buffer to the POP3 service, overwriting memory and potentially gaining remote system access.
Title Win10 MailCarrier 2.51 - 'POP3 User' Remote Buffer Overflow
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Tabs Laboratories Corporation Win10 Mailcarrier
Tabslab Mailcarrier
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-19T20:08:53.368Z

Reserved: 2026-02-13T17:39:25.503Z

Link: CVE-2019-25364

cve-icon Vulnrichment

Updated: 2026-02-19T20:07:10.964Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-18T22:16:22.260

Modified: 2026-02-24T20:41:08.130

Link: CVE-2019-25364

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-19T10:10:39Z

Weaknesses