6.5

CVE-2018-20622: debian debian_linux

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2018-20622
Published 31-12-2018Last modified 06-05-2025
Open JSON

Vulnerability summary

CVE-2018-20622 is a medium (CVSS 6.5) vulnerability in debian debian_linux. EPSS estimates a 2.90% chance of exploitation in the next 30 days, higher than 86.7% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
2.90%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 5
DLA-1628-1MGASA-2020-0337OPENSUSE-SU-2020:1517-1OPENSUSE-SU-2020:1523-1OPENSUSE-SU-2024:10869-1SUSE-SU-2020:2689-1

Timeline

  1. 31-12-2018
    PublishedVulnerability first disclosed.
  2. 06-05-2025
    Last modifiedVulnerability information updated.

Description

JasPer 2.0.14 has a memory leak in base/jas_malloc.c in libjasper.a when "--output-format jp2" is used.

CVSS metrics

6 scores · 3 sources · 3 versions

EPSS trend

Probability

2.90%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.90% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.90%

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

Debian1 product
Jasper_project1 product
Ubuntu1 product
  • jasperAll versions (No fix recorded)

3 vendors · 3 products

References

8 links