libde265 v1.0.4 contains a stack buffer overflow in the put_qpel_fallback function, which…
Priority LOW 31CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
libde265 v1.0.4 contains a stack buffer overflow in the put_qpel_fallback function, which can be exploited via a crafted a file.
Why it matters now
EPSS 0.01096 65th 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:libde265:1.0.4:*:*:*:*:*:*:* | 1.0.4 | Vulnerable | strukturag |
- cpe:2.3:a:struktur:libde265:1.0.4:*:*:*:*:*:*:* Versions 1.0.4 Vulnerable ·strukturag
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-21601
- 2026-10-03 Alias added: GHSA-5j26-wp83-h56v
References
Advisory 1
More strukturag Libde265 vulnerabilities
- TI-2026-25594 NULL Pointer Dereference in libde265 CVSS 4.0HIGH 8.7
- TI-2023-27026 Libde265 v1.0.14 was discovered to contain a global buffer overflow vulnerability in the… CVSS 3.1HIGH 8.8
- TI-2023-10674 Libde265 v1.0.10 was discovered to contain a heap-buffer-overflow vulnerability in the… CVSS 3.1HIGH 7.8
- TI-2022-23669 Libde265 1.0.9 is vulnerable to Buffer Overflow in function void put_qpel_fallback<unsigned short> CVSS 3.1HIGH 7.8
- TI-2023-23552 Libde265 v1.0.12 was discovered to contain multiple buffer overflows via the… CVSS 3.1HIGH 8.1
- TI-2022-23679 Libde265 1.0.9 has a heap buffer overflow vulnerability in de265_image::set_SliceAddrRS(int, int, int) CVSS 3.1HIGH 7.8
Sources
- CVE-2020-21601 · CVE Program
- CVE-2020-21601 · NVD
- FIRST EPSS
- GHSA-5j26-wp83-h56v · GitHub Advisory Database · CC BY 4.0
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