CVE Vulnerabilities

CVE-2020-36123

Double Free

Published: Mar 10, 2022 | Modified: Mar 12, 2022

CVSS 3.x

8.8

HIGH

Source:

NVD

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

CVSS 2.x

6.8 MEDIUM

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2020-36123
CWE	https://cwe.mitre.org/data/definitions/415.html

saitoha libsixel v1.8.6 was discovered to contain a double free via the component sixel_chunk_destroy at /root/libsixel/src/chunk.c.

Weakness

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

Affected Software

Name	Vendor	Start Version	End Version
Libsixel	Libsixel_project	1.8.6 (including)	1.8.6 (including)

Potential Mitigations

References

https://github.com/saitoha/libsixel/issues/144

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