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
Published Oct 4, 2019
7.5
HIGHCVSS 3.1
EPSS 2.58%
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
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.58% (0.02579) | 84.68th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.58% (0.02579) | 83.13th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.83% (0.00827) | 72.31th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.20% (0.02195) | 73.96th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.34% (0.00336) | 71.56th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.34% (0.00336) | 70.48th | v3 (v2023.03.01) |
| Aug 8, 2023 | 0.34% (0.00336) | 67.49th | v3 (v2023.03.01) |
| Jul 24, 2023 | 0.35% (0.00346) | 67.85th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00290) | 64.07th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.18% (0.07176) | 80.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.50% (0.04504) | 76.47th | v1 |
| Jan 6, 2022 | 4.50% (0.04504) | 76.26th | v1 |
| Sep 1, 2021 | 1.04% (0.01040) | 64.49th | v1 |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (4)
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00004.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00005.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- https://github.com/FreeRDP/FreeRDP/commit/9fee4ae076b1ec97b97efb79ece08d1dab4df29a x_refsource_MISCPatchVendor Advisory
- https://github.com/FreeRDP/FreeRDP/issues/5645 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00004.html | vendor-advisoryx_refsource_SUSEThird Party Advisory | |
| http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00005.html | vendor-advisoryx_refsource_SUSEThird Party Advisory | |
| https://github.com/FreeRDP/FreeRDP/commit/9fee4ae076b1ec97b97efb79ece08d1dab4df29a | x_refsource_MISCPatchVendor Advisory | |
| https://github.com/FreeRDP/FreeRDP/issues/5645 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.