Out-of-Bounds Affecting zutils package, versions <1.7-3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN14-ZUTILS-11775462
- published10 Aug 2025
- disclosed20 Aug 2018
Introduced: 20 Aug 2018
CVE-2018-1000637 (opens in a new tab)How to fix?
Upgrade Debian:14 zutils to version 1.7-3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream zutils package and not the zutils package as distributed by Debian.
See How to fix? for Debian:14 relevant fixed versions and status.
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.