Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause…
Priority MEDIUM 41Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
Why it matters now
EPSS 0.01368 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:struktur:libheif:1.4.0:*:*:*:*:*:*:* | 1.4.0 | Vulnerable | strukturag |
- cpe:2.3:a:struktur:libheif:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·strukturag
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2020-19498
- 2026-10-03 Alias added: GHSA-36hj-m3c2-4ggw
References
More strukturag Libheif vulnerabilities
- TI-2023-27020 libheif v1.17.5 was discovered to contain a segmentation violation via the function… CVSS 3.1HIGH 8.8
- TI-2026-34830 libheif Vulnerable to Heap Information Disclosure via Grid Image Gap + Uninitialized Pixel Plane Allocation CVSS 3.1HIGH 7.5
- TI-2024-16668 libheif <= 1.17.6 contains a memory leak in the function JpegEncoder::Encode. CVSS 3.1HIGH 7.5
- TI-2024-27575 In Libheif 1.17.6, insufficient checks in ImageOverlay::parse() decoding a heif file… CVSS 3.1HIGH 8.1
- TI-2026-35472 libheif: heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow CVSS 3.1HIGH 7.1
- TI-2026-35212 libheif has a NULL pointer dereference in heif_image_handle_get_image_tiling for malformed unci image missing ispe CVSS 4.0MEDIUM 6.9
Sources
- CVE-2020-19498 · CVE Program
- CVE-2020-19498 · NVD
- FIRST EPSS
- GHSA-36hj-m3c2-4ggw · GitHub Advisory Database · CC BY 4.0
- CVE-2020-19498 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences