7.1

CVE-2021-20302: debian debian_linux Improper Input Validation

CVSS: 7.1v2.0HighModified
AliasesUBUNTU-CVE-2021-20302DEBIAN-CVE-2021-20302
Published 04-03-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20302 is a high (CVSS 7.1) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59.3% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v2.0 (NVD)
EPSS score
0.91%
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 6 · Related 4
DLA-2732-1DLA-3236-1OPENSUSE-SU-2021:1198-1OPENSUSE-SU-2021:2793-1SUSE-SU-2021:2793-1SUSE-SU-2021:2913-1

Timeline

  1. 04-03-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in OpenEXR's TiledInputFile functionality. This flaw allows an attacker who can submit a crafted single-part non-image to be processed by OpenEXR, to trigger a floating-point exception error. The highest threat from this vulnerability is to system availability.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.91%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.91% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.91%

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
Openexr1 product
Ubuntu1 product
  • openexrAll versions (No fix recorded)

3 vendors · 4 products

References

8 links