HuffmanTree_makeFromFrequencies in lodepng.c in LodePNG through 2019-09-28, as used in…
Priority LOW 37CWE-252Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-401.
Summary
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.
Why it matters now
EPSS 0.02259 83rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* | up to 1.0.2 | Vulnerable | FreeRDP |
| cpe:2.3:a:freerdp:freerdp:1.1.0:beta1:*:*:*:*:*:* | 1.1.0 beta1 | Vulnerable | FreeRDP |
| cpe:2.3:a:lodev:lodepng:*:*:*:*:*:*:*:* | up to 2019-09-28 | Vulnerable | Lodev |
| cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* | 15.0 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | 15.1 | Vulnerable | openSUSE |
- cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* Versions up to 1.0.2 Vulnerable ·FreeRDP
- cpe:2.3:a:freerdp:freerdp:1.1.0:beta1:*:*:*:*:*:* Versions 1.1.0 beta1 Vulnerable ·FreeRDP
- cpe:2.3:a:lodev:lodepng:*:*:*:*:*:*:*:* Versions up to 2019-09-28 Vulnerable ·Lodev
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* Versions 15.0 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-17178
- 2026-10-03 Alias added: GHSA-v77x-r3jc-52jh
References
Sources
- CVE-2019-17178 · CVE Program
- CVE-2019-17178 · NVD
- FIRST EPSS
- GHSA-v77x-r3jc-52jh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences