Every CVE Search/ Get API key

CVE-2018-1000031

A heap-based buffer overflow exists in Info-Zip UnZip version 6.10c22 that allows an attacker to...

7.8 HighFix available

A heap-based buffer overflow exists in Info-Zip UnZip version 6.10c22 that allows an attacker to perform a denial of service or to possibly achieve code execution.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.32%Up 0.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

A heap-based buffer overflow exists in Info-Zip UnZip version 6.10c22 that allows an attacker to perform a denial of service or to possibly achieve code execution.

Record
CVE-2018-1000031
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

A heap-based buffer overflow exists in Info-Zip UnZip version 6.10c22 that allows an attacker to perform a denial of service or to possibly achieve code execution.

Record
CVE-2018-1000031
Updated
2026-11-02
EUVDEUVD-2018-1792 No score

A heap-based buffer overflow exists in Info-Zip UnZip version 6.10c22 that allows an attacker to perform a denial of service or to possibly achieve code execution.

Record
EUVD-2018-1792
Updated
2026-11-03
GitHub AdvisoriesGHSA-3vgm-7gmr-wccx 7.8

A heap-based buffer overflow exists in Info-Zip UnZip version 6.10c22 that allows an attacker to...

A heap-based buffer overflow exists in Info-Zip UnZip version 6.10c22 that allows an attacker to perform a denial of service or to possibly achieve code execution.

Record
GHSA-3vgm-7gmr-wccx
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
OSVMGASA-2018-0422 No score

Updated unzip packages fix security vulnerabilities

Updated unzip packages fix security vulnerabilities

Heap-based out-of-bounds write (CVE-2018-1000031).

Heap/BSS-based buffer overflow (Bypass of CVE-2015-1315) (CVE-2018-1000032).

Heap out-of-bounds access in ef_scan_for_stream (CVE-2018-1000033).

Multiple vulnerabilities in the LZMA compression algorithm (CVE-2018-1000034).

Heap-based buffer overflow in password protected ZIP archives (CVE-2018-1000035).

Record
MGASA-2018-0422
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
unzip
Mageia:6
before 6.1c-1.1.mga6
6.1c-1.1.mga6

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-1000031 is a high vulnerability (CVSS 7.8) in Info-zip Unzip, published February 9, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.32%, the 70th percentile. Fixed in unzip 6.1c-1.1.mga6.

References

MoveEnter Open