CVE-2019-18601

OpenAFS before 1.6.24 and 1.8.x before 1.8.5 is prone to denial of service from unserialized data...

7.5 HighFix available

OpenAFS before 1.6.24 and 1.8.x before 1.8.5 is prone to denial of service from unserialized data access because remote attackers can make a series of VOTE_Debug RPC calls to crash a database server within the SVOTE_Debug RPC handler.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.40%Up 0.4 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2019-18601
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-502
Updated: 2026-11-02

CVE List No score

Record: CVE-2019-18601
Updated: 2026-11-02

EUVDEUVD-2019-8335 No score

Record: EUVD-2019-8335
Updated: 2026-11-03

GitHub AdvisoriesGHSA-m28x-w8m6-pc3f 7.5

OpenAFS before 1.6.24 and 1.8.x before 1.8.5 is prone to denial of service from unserialized data...

Record: GHSA-m28x-w8m6-pc3f
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-502
Updated: 2026-11-02

OSV 7.5

Record: CVE-2019-18601
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2019-18601 7.5

Record: DEBIAN-CVE-2019-18601
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-18601 7.5

Record: UBUNTU-CVE-2019-18601
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

openafs

Affected packages

Affected packages
Package	Affected	Fixed
`openafs` Debian:12	before 1.8.5-1	1.8.5-1
`openafs` Debian:13	before 1.8.5-1	1.8.5-1
`openafs` Debian:8 From an advisory covering 3 CVEs	before 1.6.9-2+deb8u9, plus listed versions 1.6.9-2+deb8u21.6.9-2+deb8u31.6.9-2+deb8u41.6.9-2+deb8u4~bpo70+11.6.9-2+deb8u51.6.9-2+deb8u61.6.9-2+deb8u71.6.9-2+deb8u8	1.6.9-2+deb8u9
`openafs` Ubuntu:16.04:LTS	All versions, plus listed versions 1.6.14-11.6.15-11.6.15-1ubuntu11.6.15-1ubuntu1.1	None known
`openafs` Ubuntu:18.04:LTS	All versions, plus listed versions 1.6.21-31.6.21-3ubuntu11.6.22-31.8.0~pre4-11.8.0~pre5-11.8.0~pre5-1ubuntu11.8.0~pre5-1ubuntu1.11.8.0~pre5-1ubuntu1.2	None known
`openafs` Ubuntu:20.04:LTS	All versions, plus listed versions 1.8.4~pre1-1ubuntu21.8.4~pre1-1ubuntu2.11.8.4~pre1-1ubuntu2.21.8.4~pre1-1ubuntu2.31.8.4~pre1-1ubuntu2.4	None known
`openafs` Ubuntu:22.04:LTS	All versions, plus listed versions 1.8.6-5ubuntu21.8.8-31.8.8.1-11.8.8.1-3ubuntu2~22.04.11.8.8.1-3ubuntu2~22.04.21.8.10-2ubuntu1~22.04.11.8.10-2ubuntu1~22.04.2	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-18601 is a high vulnerability (CVSS 7.5) in Openafs, published October 29, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.40%, the 72nd percentile. Fixed in openafs 1.8.5-1.