7.8

CVE-2020-21427: freeimage_project freeimage Classic Buffer Overflow

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2020-21427DEBIAN-CVE-2020-21427
Published 22-08-2023Last modified 05-05-2025
Open JSON

Vulnerability summary

CVE-2020-21427 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in freeimage_project freeimage. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.52%
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 3 · Related 1
DLA-3662-1DSA-5579-1USN-6586-1

Timeline

  1. 22-08-2023
    PublishedVulnerability first disclosed.
  2. 05-05-2025
    Last modifiedVulnerability information updated.

Description

Buffer Overflow vulnerability in function LoadPixelDataRLE8 in PluginBMP.cpp in FreeImage 3.18.0 allows remote attackers to run arbitrary code and cause other impacts via crafted image file.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.52%

Chance of exploitation in the next 30 days

Percentile

43%

Versus all other CVEs

30-day change

0.00 pp

From 0.52% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.52%

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
  • freeimage< 3.18.0+ds2-9+deb12u1 | < 3.18.0+ds2-10
Freeimage_project1 product
Ubuntu1 product
  • freeimage< 3.15.4-3ubuntu0.1+esm3 | < 3.17.0+ds1-2ubuntu0.1+esm1 | < 3.17.0+ds1-5+deb9u1ubuntu0.1~esm1 | < 3.18.0+ds2-1ubuntu3.1 | < 3.18.0+ds2-6ubuntu5.1 | < 3.18.0+ds2-10build4 | All versions (No fix recorded)

3 vendors · 3 products

References

9 links