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CVE-2018-1000033

29
FAUCET Score

CVE-2018-1000033 is an out-of-bounds read vulnerability in Info-Zip UnZip version 6.10c22. This critical vulnerability (CVSS 9.1) allows an unauthenticated attacker to remotely trigger a denial of service and potentially read sensitive memory. While there is no known active exploitation or publicly available exploit code, the vulnerability has garnered significant community attention with over 10 mentions, indicating a high level of interest. Despite this, it is not listed in CISA's KEV catalog and has no media coverage.

Impacted Technologies

VendorProductVersion(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

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.73%
Probability of exploitation in next 30 days
EPSS Percentile
75.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0173 is in the 63rd percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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-2018-1000033Low

unzip: Heap-based out-of-bounds access in extract.c:ef_scan_for_stream() possibly causing crash

Feb 7, 2018

References

sec-consult.com / en/blog/advisories/multiple-vulnerabilities-in-infozip-unzip/index.html
Third Party Advisory
securityfocus.com / bid/103031
Third Party AdvisoryVDB Entry