CVE-2020-19498
Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a...
Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
CVE-2020-19498- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
CVE-2020-19498- Updated
- 2026-11-02
EUVDEUVD-2020-11402 No score
Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
EUVD-2020-11402- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-36hj-m3c2-4ggw No score
Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a...
Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
GHSA-36hj-m3c2-4ggw- Updated
- 2026-11-02
OSV
Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
CVE-2020-19498- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-19498
Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
DEBIAN-CVE-2020-19498- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-19498 is a high vulnerability (CVSS 8.8) in Struktur Libheif, published July 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.37%, the 71st percentile. Fixed in libheif 1.5.0-1.