Security Advisory

CVE-2020-25583

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-03-29 19:53:57

Last updated 2024-08-04 15:33:05

Assigner freebsd

State PUBLISHED

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 labels length. rtsold(8) did not validate label lengths correctly and could overflow the destination buffer.

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