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High severity8.8OSV Advisory· Published Sep 16, 2021· Updated Jun 17, 2026

CVE-2020-21598

CVE-2020-21598

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5

Strukturag/Libde2653 versions
cpe:2.3:a:struktur:libde265:1.0.4:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:struktur:libde265:1.0.4:*:*:*:*:*:*:*
- (no CPE)range: =1.0.4
- (no CPE)range: v0.1, v0.2, v0.3, …
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

4

github.com/strukturag/libde265/issues/237nvdExploitIssue TrackingThird Party Advisory
cwe.mitre.org/data/definitions/122.htmlnvdTechnical DescriptionThird Party Advisory
lists.debian.org/debian-lts-announce/2023/01/msg00020.htmlnvdMailing ListThird Party Advisory
www.debian.org/security/2023/dsa-5346nvdThird Party Advisory

News mentions

0

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