CVE-2020-21596 — MEDIUM (6.5)

Vulnerability Description

libde265 v1.0.4 contains a global buffer overflow in the decode_CABAC_bit function, which can be exploited via a crafted a file.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Struktur	Libde265	1.0.4
Debian	Debian Linux	10.0

Related Weaknesses (CWE)

CWE-120

References

https://github.com/strukturag/libde265/issues/236ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00020.htmlMailing ListThird Party Advisory
https://www.debian.org/security/2023/dsa-5346Third Party Advisory
https://github.com/strukturag/libde265/issues/236ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00020.htmlMailing ListThird Party Advisory
https://www.debian.org/security/2023/dsa-5346Third Party Advisory

FAQ

What is CVE-2020-21596?

CVE-2020-21596 is a vulnerability with a CVSS score of 6.5 (MEDIUM). libde265 v1.0.4 contains a global buffer overflow in the decode_CABAC_bit function, which can be exploited via a crafted a file.

How severe is CVE-2020-21596?

CVE-2020-21596 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-21596?

Check the references section above for vendor advisories and patch information. Affected products include: Struktur Libde265, Debian Debian Linux.