6.6

CVE-2018-16424: opensc_project opensc Double Free

CVSS: 6.6v3.0MediumModified
AliasesUBUNTU-CVE-2018-16424DEBIAN-CVE-2018-16424
Published 04-09-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-16424 is a medium (CVSS 6.6) Double Free vulnerability in opensc_project opensc. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
37/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.6/10
010
Medium · v3.0 (NVD)
EPSS score
0.65%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 4 · Related 2
DLA-1916-1MGASA-2019-0019OPENSUSE-SU-2024:11123-1SUSE-SU-2018:3629-1

Timeline

  1. 04-09-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A double free when handling responses in read_file in tools/egk-tool.c (aka the eGK card tool) in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

0.00 pp

From 0.65% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.65%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (x41-dsec.de)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • opensc< 0.19.0~rc1-1
Opensc_project1 product
Ubuntu1 product
  • openscAll versions (No fix recorded)

3 vendors · 3 products

References

7 links