SUSE-SU-2026:0449-1
Vulnerability from csaf_suse - Published: 2026-02-11 14:53 - Updated: 2026-02-11 14:53Summary
Security update for freerdp2
Notes
Title of the patch
Security update for freerdp2
Description of the patch
This update for freerdp2 fixes the following issues:
- CVE-2026-22852: a malicious RDP server can trigger a heap-buffer-overflow in audin_process_formats (bsc#1256718).
- CVE-2026-22854: server-controlled read length is used to read file data into an IRP output can cause
heap-buffer-overflow in drive_process_irp_read (bsc#1256720).
- CVE-2026-22856: race condition in the serial channel IRP thread tracking can cause heap-use-after-free
in create_irp_thread(bsc#1256722).
- CVE-2026-22859: improper bound check can lead to heap-buffer-overflow in urb_select_configuration (bsc#1256725).
- CVE-2026-23530: improper validation can lead to heap buffer overflow in `planar_decompress_plane_rle` (bsc#1256940).
- CVE-2026-23531: improper validation in `clear_decompress` can lead to heap buffer overflow (bsc#1256941).
- CVE-2026-23532: mismatch between destination rectangle clamping and the actual copy size can lead to a heap buffer
overflow in `gdi_SurfaceToSurface` (bsc#1256942).
- CVE-2026-23534: missing checks can lead to heap buffer overflow in `clear_decompress_bands_data` (bsc#1256944).
Patchnames
SUSE-2026-449,SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-449,SUSE-SLE-Product-WE-15-SP7-2026-449
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H",
"version": "3.1"
},
"products": [
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"SUSE Linux Enterprise Module for Package Hub 15 SP7:winpr2-devel-2.11.7-150700.3.3.1.s390x",
"SUSE Linux Enterprise Workstation Extension 15 SP7:freerdp2-2.11.7-150700.3.3.1.x86_64",
"SUSE Linux Enterprise Workstation Extension 15 SP7:freerdp2-devel-2.11.7-150700.3.3.1.x86_64",
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]
}
],
"threats": [
{
"category": "impact",
"date": "2026-02-11T14:53:55Z",
"details": "moderate"
}
],
"title": "CVE-2026-22859"
},
{
"cve": "CVE-2026-23530",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-23530"
}
],
"notes": [
{
"category": "general",
"text": "FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0,`freerdp_bitmap_decompress_planar` does not validate `nSrcWidth`/`nSrcHeight` against `planar-\u003emaxWidth`/`maxHeight` before RLE decode. A malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout. Version 3.21.0 contains a patch for the issue.",
"title": "CVE description"
}
],
"product_status": {
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"references": [
{
"category": "external",
"summary": "CVE-2026-23530",
"url": "https://www.suse.com/security/cve/CVE-2026-23530"
},
{
"category": "external",
"summary": "SUSE Bug 1256940 for CVE-2026-23530",
"url": "https://bugzilla.suse.com/1256940"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
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"SUSE Linux Enterprise Workstation Extension 15 SP7:winpr2-devel-2.11.7-150700.3.3.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
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{
"category": "impact",
"date": "2026-02-11T14:53:55Z",
"details": "important"
}
],
"title": "CVE-2026-23530"
},
{
"cve": "CVE-2026-23531",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-23531"
}
],
"notes": [
{
"category": "general",
"text": "FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, in ClearCodec, when `glyphData` is present, `clear_decompress` calls `freerdp_image_copy_no_overlap` without validating the destination rectangle, allowing an out-of-bounds read/write via crafted RDPGFX surface updates. A malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout. Version 3.21.0 contains a patch for the issue.",
"title": "CVE description"
}
],
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"url": "https://www.suse.com/security/cve/CVE-2026-23531"
},
{
"category": "external",
"summary": "SUSE Bug 1256941 for CVE-2026-23531",
"url": "https://bugzilla.suse.com/1256941"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
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{
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"details": "important"
}
],
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},
{
"cve": "CVE-2026-23532",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-23532"
}
],
"notes": [
{
"category": "general",
"text": "FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurs in the FreeRDP client\u0027s `gdi_SurfaceToSurface` path due to a mismatch between destination rectangle clamping and the actual copy size. A malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout. Version 3.21.0 contains a patch for the issue.",
"title": "CVE description"
}
],
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},
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{
"category": "external",
"summary": "CVE-2026-23532",
"url": "https://www.suse.com/security/cve/CVE-2026-23532"
},
{
"category": "external",
"summary": "SUSE Bug 1256942 for CVE-2026-23532",
"url": "https://bugzilla.suse.com/1256942"
}
],
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{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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],
"scores": [
{
"cvss_v3": {
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],
"threats": [
{
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"details": "important"
}
],
"title": "CVE-2026-23532"
},
{
"cve": "CVE-2026-23534",
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{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-23534"
}
],
"notes": [
{
"category": "general",
"text": "FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurs in the ClearCodec bands decode path when crafted band coordinates allow writes past the end of the destination surface buffer. A malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout. Version 3.21.0 contains a patch for the issue.",
"title": "CVE description"
}
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{
"category": "external",
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{
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"scores": [
{
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}
],
"threats": [
{
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"date": "2026-02-11T14:53:55Z",
"details": "important"
}
],
"title": "CVE-2026-23534"
}
]
}
Loading…
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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