AUGUST 4, 2026
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Case File

CVE-2020-25583

CRITICAL · CVSS 9.8 EPSS 1.47%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-29 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2020-25583
Severity
CRITICAL
CVSS
9.8
EPSS
1.47%

Original NVD Description

In FreeBSD 12.2-STABLE before r368250, 11.4-STABLE before r368253, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 when processing a DNSSL option, rtsold(8) decodes domain name labels per an encoding specified in RFC 1035 in which the first octet of each label contains the label's length. rtsold(8) did not validate label lengths correctly and could overflow the destination buffer.