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.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
1.37%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 21-07-2021PublishedVulnerability first disclosed.
- 04-08-2024Last 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 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
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 score1.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundLibheif
Maturity: poc
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Debian1 product
- libheif< 1.5.0-1
Struktur1 product
- libheif1.4.0
2 vendors · 2 products
References
3 links- github.com/strukturag/libheif/commit/2710c930918609caaf0a664e9c7bc3dce05d5b58X Refsource MISCPatchThird Party Advisory