Vulnerability · Published Oct 12, 2026 · Assigned by VulnCheck
CVE-2026-109242FreeRDP before 3.0.0 and 3.6.0 before 3.32.0 Uninitialized Heap Disclosure via Progressive Codec Tile Upgrade
High 7.1
In plain English
A high-severity security flaw in FreeRDP from FreeRDP. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.3%top 77.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
FreeRDP before 3.0.0 and 3.6.0 before 3.32.0 renders uninitialized heap memory from un-decoded progressive tiles because the tile->current buffer is allocated without zeroing. A malicious RDP server can send a crafted WBT_TILE_FIRST then WBT_TILE_UPGRADE sequence to paint heap bytes onscreen or abort the client process.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | freerdp | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| AlmaLinux:8 | freerdp | 2:2.11.7-15.el8_10 | ALSA-2026:94510 |
| AlmaLinux:9 | freerdp | 2:2.11.7-7.el9_8.9 | ALSA-2026:93592 |
| AlmaLinux:10 | freerdp-devel | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| AlmaLinux:8 | freerdp-devel | 2:2.11.7-15.el8_10 | ALSA-2026:94510 |
| AlmaLinux:9 | freerdp-devel | 2:2.11.7-7.el9_8.9 | ALSA-2026:93592 |
| AlmaLinux:10 | freerdp-libs | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| AlmaLinux:8 | freerdp-libs | 2:2.11.7-15.el8_10 | ALSA-2026:94510 |
| AlmaLinux:9 | freerdp-libs | 2:2.11.7-7.el9_8.9 | ALSA-2026:93592 |
| AlmaLinux:10 | freerdp-server | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| AlmaLinux:10 | libwinpr | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| AlmaLinux:8 | libwinpr | 2:2.11.7-15.el8_10 | ALSA-2026:94510 |
| AlmaLinux:9 | libwinpr | 2:2.11.7-7.el9_8.9 | ALSA-2026:93592 |
| AlmaLinux:10 | libwinpr-devel | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| AlmaLinux:8 | libwinpr-devel | 2:2.11.7-15.el8_10 | ALSA-2026:94510 |
| AlmaLinux:9 | libwinpr-devel | 2:2.11.7-7.el9_8.9 | ALSA-2026:93592 |
| Debian:12 | freerdp2 | no fix listed | DEBIAN-CVE-2026-109242 |
| Debian:13 | freerdp3 | no fix listed | DEBIAN-CVE-2026-109242 |
| Debian:14 | freerdp3 | 3.32.0+dfsg-1 | DEBIAN-CVE-2026-109242 |
| Rocky Linux:10 | freerdp | 2:3.32.2-1.el10_2 | RLSA-2026:94514 |
| Rocky Linux:8 | freerdp | 2:2.11.7-15.el8_10 | RLSA-2026:94510 |
| Rocky Linux:9 | freerdp | 2:2.11.7-7.el9_8.9 | RLSA-2026:93592 |
| Ubuntu:22.04:LTS | freerdp2 | no fix listed | UBUNTU-CVE-2026-109242 |
| Ubuntu:24.04:LTS | freerdp3 | 3.32.0+dfsg-0ubuntu0.24.04.1 | UBUNTU-CVE-2026-109242 |
| Ubuntu:26.04:LTS | freerdp3 | 3.32.0+dfsg-0ubuntu0.26.04.1 | UBUNTU-CVE-2026-109242 |
Affected products (as reported)
Weakness: CWE-908 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H