CVE-2019-17178
mediumpriority · track · 31EPSS 0.026 · 85 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (19)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00004.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00005.htmlcnnvd
- https://github.com/FreeRDP/FreeRDP/commit/9fee4ae076b1ec97b97efb79ece08d1dab4df29acnnvd
- https://github.com/FreeRDP/FreeRDP/issues/5645cnnvd
- https://github.com/akallabeth/FreeRDP/commit/fc80ab45621bd966f70594c0b7393ec005a94007cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-17178cnnvd
- https://vigilance.fr/vulnerability/FreeRDP-memory-leak-via-HuffmanTree-makeFromFrequencies-30990cnnvd
- https://www.auscert.org.au/bulletins/ESB-2019.4475/cnnvd
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