What’s Vulnerable › Vulnerabilities

CVE-2019-17178

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-04 · updated 2026-06-17
• Weakness: CWE-252

Description

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.

Affected products

• FreeRDP: through 1.0.2; 1.1.0-beta1
• Lodev Lodepng: through 2019-09-28
• openSUSE Leap: 15.0, 15.1

References

• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00005.html
• https://github.com/FreeRDP/FreeRDP/commit/9fee4ae076b1ec97b97efb79ece08d1dab4df29a
• https://github.com/FreeRDP/FreeRDP/issues/5645
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00005.html
• https://github.com/FreeRDP/FreeRDP/commit/9fee4ae076b1ec97b97efb79ece08d1dab4df29a
• https://github.com/FreeRDP/FreeRDP/issues/5645

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