8.8

CVE-2020-19498: struktur libheif

CVSS: 8.8v3.1HighModified
AliasesDEBIAN-CVE-2020-19498
Published 21-07-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-19498 is a high (CVSS 8.8) vulnerability in struktur libheif. EPSS estimates a 1.37% chance of exploitation in the next 30 days, higher than 71.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
1.37%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 21-07-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.37%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

0.00 pp

From 1.37% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Libheif

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian1 product
  • libheif< 1.5.0-1
Struktur1 product

2 vendors · 2 products

References

3 links