CVE-2018-1000637 json
zutils version prior to version 1.8-pre2 contains a Buffer Overflow vulnerability in zcat that can result in Potential denial of service or…
published 2018-08-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1971
- cvss
- 7.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- zutils Debian 14, Debian 13, Debian 12 1.7-3
debian advisories DEBIAN-CVE-2018-1000637
Exploit prediction
1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
lists.debian.org
/debian-lts-announce/2018/09/msg00016.html
mailing-list, third-party-advisory
-
bugs.debian.org
/904819
issue-tracking, mailing-list, third-party-advisory
-
lists.nongnu.org
/archive/html/zutils-bug/2018-08/msg00000.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2018-1000637
- NVD CVE-2018-1000637
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