7.5

CVE-2026-39820

Quadratic string concatentation in consumeComment in net/mail

Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Golang ≫ Go Version < 1.25.10
Golang ≫ Go Version >= 1.26.0 < 1.26.3
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.78% 0.516
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-606 Unchecked Input for Loop Condition

The product does not properly check inputs that are used for loop conditions, potentially leading to a denial of service or other consequences because of excessive looping.

CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

https://go.dev/issue/78566
Issue Tracking
https://go.dev/cl/759940
Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2467820
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39820.json
https://access.redhat.com/errata/RHSA-2026:33574
https://access.redhat.com/errata/RHSA-2026:34364
https://groups.google.com/g/golang-announce/c/qcCIEXso47M
Mailing List
Issue Tracking
https://access.redhat.com/errata/RHSA-2026:33120
https://access.redhat.com/errata/RHSA-2026:33123
https://access.redhat.com/errata/RHSA-2026:33142
https://access.redhat.com/errata/RHSA-2026:33150
https://access.redhat.com/errata/RHSA-2026:36319
https://access.redhat.com/errata/RHSA-2026:36625
https://pkg.go.dev/vuln/GO-2026-4986
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-39820
https://access.redhat.com/errata/RHSA-2026:36754
https://access.redhat.com/errata/RHSA-2026:36797