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CVE-2021-40145

Date: August 25, 2021

** DISPUTED ** gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes."

Language: C

Severity Score

Related Resources (8)

https://github.com/libgd/libgd/commit/c5fd25ce0e48fd5618a972ca9f5e28d6d62006af
https://security-tracker.debian.org/tracker/CVE-2021-40145
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-40145
https://security.alpinelinux.org/vuln/CVE-2021-40145
https://nvd.nist.gov/vuln/detail/CVE-2021-40145
https://github.com/libgd/libgd/issues/700
https://github.com/libgd/libgd/pull/713
https://www.mend.io/vulnerability-database/CVE-2021-40145

Severity Score

Weakness Type (CWE)

Double Free

CWE-415

CVSS v3.1

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

CVSS v2

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

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