5.5

CVE-2020-26570: debian debian_linux Out-of-bounds Write

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-26570DEBIAN-CVE-2020-26570
Published 06-10-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-26570 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.8% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.38%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 6
DLA-2832-1MGASA-2021-0037OPENSUSE-SU-2021:0565-1OPENSUSE-SU-2024:11123-1RHSA-2021:1600SUSE-SU-2021:0998-1

Timeline

  1. 06-10-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

-0.01 pp

From 0.40% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.38%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Fedoraproject1 product
Opensc_project1 product
Ubuntu1 product
  • opensc< 0.15.0-1ubuntu1+esm1 | < 0.17.0-3ubuntu0.1~esm1 | < 0.20.0-3ubuntu0.1~esm1

4 vendors · 5 products

References

10 links