CVE-2017-17432

OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.

• CWE-617

• https://bugs.debian.org/883602Issue Tracking, Mailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html
• https://www.debian.org/security/2017/dsa-4067Third Party Advisory
• https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txtVendor Advisory
• https://bugs.debian.org/883602Issue Tracking, Mailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html
• https://www.debian.org/security/2017/dsa-4067Third Party Advisory
• https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txtVendor Advisory

Published

Dec 6, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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