CVE-2018-1000637

Name: CVE-2018-1000637
Creator: NVD / NIST
Published: 2018-08-20T19:31:34.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.68%

Last modified Jun 17, 2026

CVE-2018-1000637 is a vulnerability of currently unknown severity. zutils version prior to version 1.8-pre2 contains a Buffer Overflow vulnerability in zcat that can result in Potential denial of service or arbitrary code execution. This attack appear to be exploitable via the victim openning a crafted compressed file. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

zutils version prior to version 1.8-pre2 contains a Buffer Overflow vulnerability in zcat that can result in Potential denial of service or arbitrary code execution. This attack appear to be exploitable via the victim openning a crafted compressed file. This vulnerability appears to have been fixed in 1.8-pre2.

Metrics

EPSS Probability

1.68%

73.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions	Update
Nongnu	Zutils	<= 1.8	—
Nongnu	Zutils	1.8	Pre1
Debian	Debian Linux	8.0	—

References

https://bugs.debian.org/904819Issue Tracking, Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00016.htmlMailing List, Third Party Advisory
https://lists.nongnu.org/archive/html/zutils-bug/2018-08/msg00000.htmlMailing List, Third Party Advisory
https://bugs.debian.org/904819Issue Tracking, Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00016.htmlMailing List, Third Party Advisory
https://lists.nongnu.org/archive/html/zutils-bug/2018-08/msg00000.htmlMailing List, Third Party Advisory

Timeline

Published: Aug 20, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000637?

How severe is CVE-2018-1000637?

Severity scoring for CVE-2018-1000637 is pending analysis. The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000637?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000637?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST