7.8

CVE-2018-1000637: debian debian_linux

Modified
AliasesUBUNTU-CVE-2018-1000637DEBIAN-CVE-2018-1000637DLA-1505-1
Published 20-08-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-1000637 is a high (CVSS 7.8) vulnerability in debian debian_linux. EPSS estimates a 1.67% chance of exploitation in the next 30 days, higher than 76.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
1.67%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 20-08-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.67%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

Decrease -0.01 pp

From 1.68% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Debian2 products
Nongnu1 product
Ubuntu1 product
  • zutilsAll versions (No fix recorded)

3 vendors · 4 products

References

7 links