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CVE-2020-11721

Date: April 13, 2020

load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.

Language: C

Severity Score

Related Resources (4)

https://github.com/saitoha/libsixel/issues/134
https://nvd.nist.gov/vuln/detail/CVE-2020-11721
https://security-tracker.debian.org/tracker/CVE-2020-11721
https://www.mend.io/vulnerability-database/CVE-2020-11721

Severity Score

Weakness Type (CWE)

Access of Uninitialized Pointer

CWE-824

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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