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CVE-2019-17178

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Date: October 4, 2019

HuffmanTree_makeFromFrequencies in lodepng.c in LodePNG through 2019-09-28, as used in WinPR in FreeRDP and other products, has a memory leak because a supplied realloc pointer (i.e., the first argument to realloc) is also used for a realloc return value.

Language: PHP

Severity Score

Related Resources (7)

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00004.html
https://security-tracker.debian.org/tracker/CVE-2019-17178
https://github.com/FreeRDP/FreeRDP/issues/5645
https://nvd.nist.gov/vuln/detail/CVE-2019-17178
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00005.html
https://github.com/FreeRDP/FreeRDP/commit/9fee4ae076b1ec97b97efb79ece08d1dab4df29a
https://www.mend.io/vulnerability-database/CVE-2019-17178

Severity Score

Weakness Type (CWE)

Missing Release of Memory after Effective Lifetime

CWE-401

Unchecked Return Value

CWE-252

Missing Release of Resource after Effective Lifetime

CWE-772

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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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