Zafiyetler / CVE-2026-55191

kritik

CVE-2026-55191

FreeRDP: FreeRDP: Arbitrary code execution via heap-buffer-overflow in AVC444 YUV buffer allocation

Yayın Değişiklik CWE 122, 190
En geç 24 Eki 2026, 07:11 UTC tarihinden beri Trivy database'indeO derlemeden önce ne zaman girdiği kayıtlı değil.

Kaynağa göre önem derecesi

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Trivy'nin kendi etiketi CRITICAL. Kritik diyenler: NVD. Daha düşük diyenler: Red Hat (yüksek), Amazon (yüksek), Ubuntu (orta).

Açıklama

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, FreeRDP clients that negotiate RDPGFX AVC444 with an H.264 decoder backend calculate the intermediate YUV444 allocation size in libfreerdp/codec/h264.c with 32-bit multiplication in avc444_ensure_buffer. A malicious RDP server can supply surface dimensions for which piDstStride multiplied by padDstHeight wraps to a small nonzero value, causing winpr_aligned_recalloc to allocate an undersized buffer before YUV420CombineToYUV444 writes using the actual stride and rectangle dimensions. This can cause a client crash and may permit code execution through attacker-influenced heap corruption. This issue is fixed in version 3.27.0.

Etkilenen paketler ve düzeltilmiş sürümler

KaynakPaketDüzeltildiği sürüm
alpine 3.24freerdp3.27.1-r0
alpine edgefreerdp3.27.1-r0
amazon linux 2023freerdp, freerdp-debuginfo, freerdp-debugsource ve 8 tane daha2:3.6.3-1.amzn2023.0.13
debian 11freerdp2düzeltme belirtilmemiş
debian 12freerdp2düzeltme belirtilmemiş
debian 13freerdp3düzeltme belirtilmemiş
debian 14freerdp33.27.0+dfsg-1
echofreerdp2, freerdp3düzeltme belirtilmemiş
rapidfort alpine 3.20freerdp3.27.1-r0
rapidfort alpine 3.21freerdp3.27.1-r0
rapidfort alpine 3.22freerdp3.27.1-r0
rapidfort alpine 3.23freerdp3.27.1-r0
20 kaynaktaki 46 kaydın hepsini göster
KaynakPaketDüzeltildiği sürüm
alpine 3.24freerdp3.27.1-r0
alpine edgefreerdp3.27.1-r0
amazon linux 2023freerdp2:3.6.3-1.amzn2023.0.13
amazon linux 2023freerdp-debuginfo2:3.6.3-1.amzn2023.0.13
amazon linux 2023freerdp-debugsource2:3.6.3-1.amzn2023.0.13
amazon linux 2023freerdp-devel2:3.6.3-1.amzn2023.0.13
amazon linux 2023freerdp-libs2:3.6.3-1.amzn2023.0.13
amazon linux 2023freerdp-libs-debuginfo2:3.6.3-1.amzn2023.0.13
amazon linux 2023freerdp-server2:3.6.3-1.amzn2023.0.13
amazon linux 2023freerdp-server-debuginfo2:3.6.3-1.amzn2023.0.13
amazon linux 2023libwinpr2:3.6.3-1.amzn2023.0.13
amazon linux 2023libwinpr-debuginfo2:3.6.3-1.amzn2023.0.13
amazon linux 2023libwinpr-devel2:3.6.3-1.amzn2023.0.13
debian 11freerdp2düzeltme belirtilmemiş
debian 12freerdp2düzeltme belirtilmemiş
debian 13freerdp3düzeltme belirtilmemiş
debian 14freerdp33.27.0+dfsg-1
echofreerdp2düzeltme belirtilmemiş
echofreerdp3düzeltme belirtilmemiş
rapidfort alpine 3.20freerdp3.27.1-r0
rapidfort alpine 3.21freerdp3.27.1-r0
rapidfort alpine 3.22freerdp3.27.1-r0
rapidfort alpine 3.23freerdp3.27.1-r0
rapidfort alpine 3.24freerdp3.27.1-r0
rapidfort amazon linux 2023freerdp2:3.6.3-1.amzn2023.0.13
rapidfort amazon linux 2023freerdp-devel2:3.6.3-1.amzn2023.0.13
rapidfort amazon linux 2023freerdp-libs2:3.6.3-1.amzn2023.0.13
rapidfort amazon linux 2023freerdp-server2:3.6.3-1.amzn2023.0.13
rapidfort amazon linux 2023libwinpr2:3.6.3-1.amzn2023.0.13
rapidfort amazon linux 2023libwinpr-devel2:3.6.3-1.amzn2023.0.13
rapidfort debian 12freerdp2düzeltme belirtilmemiş
rapidfort debian 12freerdp30:3.27.0+dfsg-1
rapidfort debian 13freerdp2düzeltme belirtilmemiş
rapidfort debian 13freerdp30:3.27.0+dfsg-1
rapidfort fedora 43freerdp2:3.27.1-1.fc43
rapidfort fedora 43freerdp-devel2:3.27.1-1.fc43
rapidfort fedora 43freerdp-libs2:3.27.1-1.fc43
rapidfort fedora 43freerdp-server2:3.27.1-1.fc43
rapidfort fedora 43libwinpr2:3.27.1-1.fc43
rapidfort fedora 43libwinpr-devel2:3.27.1-1.fc43
Red Hatfreerdpdüzeltme belirtilmemiş
Red Hatfreerdp-develdüzeltme belirtilmemiş
Red Hatfreerdp-libsdüzeltme belirtilmemiş
Red Hatfreerdp-pluginsdüzeltme belirtilmemiş
ubuntu 24.04freerdp33.30.0+dfsg-0ubuntu0.24.04.1
ubuntu 26.04freerdp33.30.0+dfsg-0ubuntu0.26.04.1

Referanslar

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.