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Vulnerabilities CVE-2026-42499

CVE-2026-42499

High
Open
TLP:CLEAR

Quadratic string concatenation in consumePhrase in net/mail

NVD CVE.org

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Description

Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.

Details

CVSS Score
7.5
EPSS Score ⓘ
0.80%

53.2th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidence
90%
Published
May 7, 2026
Last Modified
Aug 11, 2026
Notes
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