CVE-2018-1000637
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.67% probability · 77th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- nongnu/zutils · debian/debian linux
- Source
- cve@mitre.org
EPSS 1.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.