7.8

CVE-2018-10115: 7-zip Improper Initialization

CVSS: 7.8v3.0HighModified
AliasesALPINE-CVE-2018-10115UBUNTU-CVE-2018-10115DEBIAN-CVE-2018-10115
Published 02-05-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-10115 is a high (CVSS 7.8) Improper Initialization vulnerability in 7-zip. EPSS estimates a 4.52% chance of exploitation in the next 30 days, higher than 91.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
4.52%
0%100%
Low · -2.21 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 02-05-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Incorrect initialization logic of RAR decoder objects in 7-Zip 18.03 and before can lead to usage of uninitialized memory, allowing remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

4.52%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

-2.21 pp

From 6.74% on 21-09-2026

21-09-202621-10-2026
EPSS score
4.52%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (landave.io)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

7-zip1 product
Alpine1 product
  • p7zip< 16.02-r3
Debian1 product
  • p7zip-rar< 16.02-3
Ubuntu1 product
  • p7zip-rarAll versions (No fix recorded)

4 vendors · 4 products

References

8 links