Vulnerability · Published Mar 30, 2026 · Assigned by GitHub_M
CVE-2026-33982FreeRDP: Persistent Cache Allocator Mismatch - Heap OOB Read
High 7.1
In plain English
A high-severity out-of-bounds read in FreeRDP from FreeRDP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 90.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpr_aligned_offset_recalloc(). This issue has been patched in version 3.24.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | freerdp | 2:3.10.3-5.el10_1.8 | ALSA-2026:16014 |
| AlmaLinux:10 | freerdp-devel | 2:3.10.3-5.el10_1.8 | ALSA-2026:16014 |
| AlmaLinux:10 | freerdp-libs | 2:3.10.3-5.el10_1.8 | ALSA-2026:16014 |
| AlmaLinux:10 | freerdp-server | 2:3.10.3-5.el10_1.8 | ALSA-2026:16014 |
| AlmaLinux:10 | libwinpr | 2:3.10.3-5.el10_1.8 | ALSA-2026:16014 |
| AlmaLinux:10 | libwinpr-devel | 2:3.10.3-5.el10_1.8 | ALSA-2026:16014 |
| Alpine:v3.23 | freerdp | 3.24.2-r0 | ALPINE-CVE-2026-33982 |
| Alpine:v3.24 | freerdp | 3.24.2-r0 | ALPINE-CVE-2026-33982 |
| Debian:12 | freerdp2 | no fix listed | DEBIAN-CVE-2026-33982 |
| Debian:13 | freerdp3 | 3.15.0+dfsg-2.1+deb13u2 | DEBIAN-CVE-2026-33982 |
| Debian:14 | freerdp3 | 3.24.2+dfsg-1 | DEBIAN-CVE-2026-33982 |
| Rocky Linux:10 | freerdp | 2:3.10.3-12.el10_2.5 | RLSA-2026:19142 |
| Rocky Linux:10 | freerdp | 2:3.10.3-5.el10_1.8 | RLSA-2026:16014 |
| Ubuntu:22.04:LTS | freerdp2 | no fix listed | UBUNTU-CVE-2026-33982 |
| Ubuntu:24.04:LTS | freerdp3 | 3.30.0+dfsg-0ubuntu0.24.04.1 | USN-8561-1 |
| Ubuntu:24.04:LTS | freerdp3 | 3.30.0+dfsg-0ubuntu0.24.04.1 | UBUNTU-CVE-2026-33982 |
| Ubuntu:25.10 | freerdp3 | no fix listed | UBUNTU-CVE-2026-33982 |
| Ubuntu:26.04:LTS | freerdp3 | 3.30.0+dfsg-0ubuntu0.26.04.1 | USN-8561-1 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H