CVE-2024-32459 | FreeRDP Out-Of-Bounds Read in ncrush_decompress

FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients and servers that use a version of FreeRDP prior to 3.5.0 or 2.11.6 are vulnerable to out-of-bounds read. Versions 3.5.0 and 2.11.6 patch the issue. No known workarounds are available.

Published: 2024-04-22 Last update: 2025-11-03 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-32459 is rated High Risk (65.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.75%). High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-32459

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 10.62% 3.75% -6.87%
2 2026-06-08 6.36% 10.62% +4.26%
3 2026-05-04 — 6.36% —

Full EPSS history (26 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-32459

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]

Weakness enumeration for CVE-2024-32459

OS Trackers for CVE-2024-32459

vendor priority summary link
alpine critical CVE-2024-32459: 1 source package rows (freerdp); 42 state rows across 4 repos (3.20-community, 3.22-community, 3.23-community, edge-community); fixed 0, open 42. https://security.alpinelinux.org/vuln/CVE-2024-32459
debian unimportant CVE-2024-32459 unimportant priority: Debian including 2 source packages (freerdp2, freerdp3), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2024-32459
redhat low — https://access.redhat.com/security/cve/CVE-2024-32459
suse medium CVE-2024-32459 severity moderate: SUSE including 82 source package names (2.2.1-5.57:libcurl4-8.14.1-slfo.1.1_4.1, 2.2.1-5.64:curl-8.14.1-slfo.1.1_4.1, …), 207 product×package rows across 48 product lines (Container suse/sl-micro/6.0/baremetal-os-container, Container suse/sl-micro/6.0/base-os-container, … (48 product lines)): Fixed 167, Known Not Affected 27, First Fixed 13. https://www.suse.com/security/cve/CVE-2024-32459/
ubuntu low CVE-2024-32459 low priority: Ubuntu including 3 source packages (freerdp, freerdp2, freerdp3), 27 status rows across 10 suites (bionic, focal, jammy, mantic, noble, oracular, plucky, questing, upstream, xenial): DNE 11, released 10, needs-triage 4, not-affected 2. https://ubuntu.com/security/CVE-2024-32459

Affected software / configurations for CVE-2024-32459

Vendor Product Version Raw CPE
freerdp freerdp < 2.11.6 cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
freerdp freerdp >= 3.0.0, < 3.5.0 cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
fedoraproject fedora 38 cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
fedoraproject fedora 39 cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
fedoraproject fedora 40 cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*

References for CVE-2024-32459

URL Tags
https://github.com/FreeRDP/FreeRDP/pull/10077 Issue Tracking
https://github.com/FreeRDP/FreeRDP/releases/tag/2.11.6 Release Notes
https://github.com/FreeRDP/FreeRDP/releases/tag/3.5.0 Release Notes
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-cp4q-p737-rmw9 Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/5JL476WVJSIE7SBUKVJRVA6A52V2HOLZ/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/7SIS6NUNLUBOV4CPCSWKDE6T6C2W3WTR/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/PX3U6YPZQ7PEJBVKSBUOLWVH7DHROHY5/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/ZKI4UISUXYNBPN4K6TIQKDRTIJ6CDCKJ/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html
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