Vulnerability record · CVE-2017-17432 · published 6 December 2017

CVE-2017-17432: Openafs vulnerability

OOpenafs · Openafs

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.

7.5 CVSS 3.0 High EPSS 3.1% · top 12.9% CWE-617 · CWE-617

7.5CVSS 3.0 base score, v2 7.8

3.1%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

8References

17 Jun 2026Last modified by NVD

Description

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Debian Linux Debian OOpenafs Openafs

References

Link	Tags
https://bugs.debian.org/883602	Issue TrackingMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html
https://www.debian.org/security/2017/dsa-4067	Third Party Advisory
https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt	Vendor Advisory
https://bugs.debian.org/883602	Issue TrackingMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html
https://www.debian.org/security/2017/dsa-4067	Third Party Advisory
https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt	Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-17432), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.