8.8

CVE-2021-20240: fedoraproject fedora Integer Underflow (Wrap or Wraparound)

CVSS: 8.8v3.1HighAnalyzed
AliasesALPINE-CVE-2021-20240UBUNTU-CVE-2021-20240USN-4743-1
Published 28-05-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20240 is a high (CVSS 8.8) Integer Underflow (Wrap or Wraparound) vulnerability in fedoraproject fedora. EPSS estimates a 2.35% chance of exploitation in the next 30 days, higher than 83.4% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
2.35%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in gdk-pixbuf in versions before 2.42.0. An integer wraparound leading to an out of bounds write can occur when a crafted GIF image is loaded. An attacker may cause applications to crash or could potentially execute code on the victim system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.35%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.35% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.35%

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

Alpine1 product
  • gdk-pixbuf< 2.40.0-r1 | < 2.40.0-r3
Debian1 product
  • gdk-pixbuf< 2.42.2+dfsg-1
Fedoraproject1 product
Gnome1 product
Ubuntu1 product
  • gdk-pixbuf< 2.40.0+dfsg-3ubuntu0.2

5 vendors · 5 products

References

9 links