CVE-2018-1000031

FAUCET Score

CVE-2018-1000031 is a high-severity heap-based buffer overflow vulnerability affecting Info-Zip UnZip version 6.10c22. This flaw can be triggered locally with low complexity, potentially leading to a denial of service or arbitrary code execution. Despite its significant impact, there is no evidence of active exploitation, publicly available exploit code, or notable community discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		6.10c22CPE matchmatch criteria	cpe:2.3:a:info-zip:unzip:6.10c22:::::::*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

1.8

Impact Score

5.9

CvssVersion

3.0

Exploit Intelligence

EPSS Score

1.32%

Probability of exploitation in next 30 days

EPSS Percentile

67.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-25

Model: v2026.06.15

This CVE's current EPSS score of 0.0132 is in the 65th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2018-1000031Low

unzip: Heap-based out-of-bounds write in fileio.c:set_zipfn_sgmnt_name() possibly causing crash

Feb 7, 2018

References

sec-consult.com / en/blog/advisories/multiple-vulnerabilities-in-infozip-unzip/index.html

Third Party Advisory