High severity · published Aug 26, 2021
CVE-2021-40145
gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free
7.5
CVSS
2.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libgd · Libgd
through 2.3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40145
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40145
Patch
https://github.com/libgd/libgd/commit/c5fd25ce0e48fd5618a972ca9f5e28d6d62006af
Exploit
https://github.com/libgd/libgd/issues/700
Issue Tracking
https://github.com/libgd/libgd/pull/713
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