CVE-2020-21598
HIGH
8.8
CVSS Score
Published: September 16, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 03:03 AM UTC
2 products affected across 2 vendorsDebian LinuxLIBDE265
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Severity
HIGH8.8
Exploit prediction
EPSS 2%
Description
libde265 v1.0.4 contains a heap buffer overflow in the ff_hevc_put_unweighted_pred_8_sse function, which can be exploited via a crafted a file.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
x_refsource_MISCTechnical DescriptionThird Party Advisory
Source: [email protected]
https://cwe.mitre.org/data/definitions/122.htmlExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/strukturag/libde265/issues/237Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/01/msg00020.htmlVendor AdvisoryThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2023/dsa-5346CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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