CVE-2026-23884
freerdp: FreeRDP: Denial of Service and potential code execution via use-after-free vulnerability
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut Red Hat (hoch), AlmaLinux (hoch), Amazon (hoch), Oracle (hoch), Rocky Linux (hoch), Ubuntu (mittel).
Beschreibung
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, offscreen bitmap deletion leaves `gdi->drawing` pointing to freed memory, causing UAF when related update packets arrive. A malicious server can trigger a client‑side use after free, 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.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| alma 8 | freerdp, freerdp-devel, freerdp-libs und 2 weitere | 2:2.11.7-2.el8_10 |
| alma 9 | freerdp, freerdp-devel, freerdp-libs und 2 weitere | 2:2.11.7-1.el9_7.1 |
| alpine 3.23 | freerdp | 3.22.0-r0 |
| alpine 3.24 | freerdp | 3.21.0-r0 |
| alpine edge | freerdp | 3.21.0-r0 |
| amazon linux 2 | freerdp, freerdp-debuginfo, freerdp-devel und 3 weitere | 2:2.11.7-1.amzn2.0.3 |
| amazon linux 2023 | freerdp, freerdp-debuginfo, freerdp-debugsource und 8 weitere | 2:3.6.3-1.amzn2023.0.2 |
| debian 11 | freerdp2 | kein Fix angegeben |
| debian 12 | freerdp2 | kein Fix angegeben |
| debian 13 | freerdp3 | 3.15.0+dfsg-2.1+deb13u1 |
| debian 14 | freerdp3 | 3.21.0+dfsg-1 |
| echo | freerdp2, freerdp3 | 3.15.0+dfsg-2.1+deb13u1 |
Alle 106 Einträge aus 30 Quellen zeigen
| Quelle | Paket | Behoben in |
|---|---|---|
| alma 8 | freerdp | 2:2.11.7-2.el8_10 |
| alma 8 | freerdp-devel | 2:2.11.7-2.el8_10 |
| alma 8 | freerdp-libs | 2:2.11.7-2.el8_10 |
| alma 8 | libwinpr | 2:2.11.7-2.el8_10 |
| alma 8 | libwinpr-devel | 2:2.11.7-2.el8_10 |
| alma 9 | freerdp | 2:2.11.7-1.el9_7.1 |
| alma 9 | freerdp-devel | 2:2.11.7-1.el9_7.1 |
| alma 9 | freerdp-libs | 2:2.11.7-1.el9_7.1 |
| alma 9 | libwinpr | 2:2.11.7-1.el9_7.1 |
| alma 9 | libwinpr-devel | 2:2.11.7-1.el9_7.1 |
| alpine 3.23 | freerdp | 3.22.0-r0 |
| alpine 3.24 | freerdp | 3.21.0-r0 |
| alpine edge | freerdp | 3.21.0-r0 |
| amazon linux 2 | freerdp | 2:2.11.7-1.amzn2.0.3 |
| amazon linux 2 | freerdp-debuginfo | 2:2.11.7-1.amzn2.0.3 |
| amazon linux 2 | freerdp-devel | 2:2.11.7-1.amzn2.0.3 |
| amazon linux 2 | freerdp-libs | 2:2.11.7-1.amzn2.0.3 |
| amazon linux 2 | libwinpr | 2:2.11.7-1.amzn2.0.3 |
| amazon linux 2 | libwinpr-devel | 2:2.11.7-1.amzn2.0.3 |
| amazon linux 2023 | freerdp | 2:3.6.3-1.amzn2023.0.2 |
| amazon linux 2023 | freerdp-debuginfo | 2:3.6.3-1.amzn2023.0.2 |
| amazon linux 2023 | freerdp-debugsource | 2:3.6.3-1.amzn2023.0.2 |
| amazon linux 2023 | freerdp-devel | 2:3.6.3-1.amzn2023.0.2 |
| amazon linux 2023 | freerdp-libs | 2:3.6.3-1.amzn2023.0.2 |
| amazon linux 2023 | freerdp-libs-debuginfo | 2:3.6.3-1.amzn2023.0.2 |
| amazon linux 2023 | freerdp-server | 2:3.6.3-1.amzn2023.0.2 |
| amazon linux 2023 | freerdp-server-debuginfo | 2:3.6.3-1.amzn2023.0.2 |
| amazon linux 2023 | libwinpr | 2:3.6.3-1.amzn2023.0.2 |
| amazon linux 2023 | libwinpr-debuginfo | 2:3.6.3-1.amzn2023.0.2 |
| amazon linux 2023 | libwinpr-devel | 2:3.6.3-1.amzn2023.0.2 |
| debian 11 | freerdp2 | kein Fix angegeben |
| debian 12 | freerdp2 | kein Fix angegeben |
| debian 13 | freerdp3 | 3.15.0+dfsg-2.1+deb13u1 |
| debian 14 | freerdp3 | 3.21.0+dfsg-1 |
| echo | freerdp2 | kein Fix angegeben |
| echo | freerdp3 | 3.15.0+dfsg-2.1+deb13u1 |
| Oracle Linux 7 | freerdp | 2.1.1-5.0.1.el7_9 |
| Oracle Linux 7 | freerdp-devel | 2.1.1-5.0.1.el7_9 |
| Oracle Linux 7 | freerdp-libs | 2.1.1-5.0.1.el7_9 |
| Oracle Linux 7 | libwinpr | 2.1.1-5.0.1.el7_9 |
| Oracle Linux 7 | libwinpr-devel | 2.1.1-5.0.1.el7_9 |
| Oracle Linux 8 | freerdp | 2:2.11.7-2.el8_10 |
| Oracle Linux 8 | freerdp-devel | 2:2.11.7-2.el8_10 |
| Oracle Linux 8 | freerdp-libs | 2:2.11.7-2.el8_10 |
| Oracle Linux 8 | libwinpr | 2:2.11.7-2.el8_10 |
| Oracle Linux 8 | libwinpr-devel | 2:2.11.7-2.el8_10 |
| Oracle Linux 9 | freerdp | 2:2.11.7-1.el9_7.1 |
| Oracle Linux 9 | freerdp-devel | 2:2.11.7-1.el9_7.1 |
| Oracle Linux 9 | freerdp-libs | 2:2.11.7-1.el9_7.1 |
| Oracle Linux 9 | libwinpr | 2:2.11.7-1.el9_7.1 |
| Oracle Linux 9 | libwinpr-devel | 2:2.11.7-1.el9_7.1 |
| rapidfort alpine 3.20 | freerdp | 3.21.0-r0 |
| rapidfort alpine 3.21 | freerdp | 3.21.0-r0 |
| rapidfort alpine 3.22 | freerdp | 3.21.0-r0 |
| rapidfort amazon linux 2023 | freerdp | 2:3.6.3-1.amzn2023.0.2 |
| rapidfort amazon linux 2023 | freerdp-devel | 2:3.6.3-1.amzn2023.0.2 |
| rapidfort amazon linux 2023 | freerdp-libs | 2:3.6.3-1.amzn2023.0.2 |
| rapidfort amazon linux 2023 | freerdp-server | 2:3.6.3-1.amzn2023.0.2 |
| rapidfort amazon linux 2023 | libwinpr | 2:3.6.3-1.amzn2023.0.2 |
| rapidfort amazon linux 2023 | libwinpr-devel | 2:3.6.3-1.amzn2023.0.2 |
| rapidfort debian 12 | freerdp2 | kein Fix angegeben |
| rapidfort debian 12 | freerdp3 | 0:3.15.0+dfsg-2.1+deb13u1, 0:3.21.0+dfsg-1 |
| rapidfort debian 13 | freerdp2 | kein Fix angegeben |
| rapidfort debian 13 | freerdp3 | 0:3.15.0+dfsg-2.1+deb13u1, 0:3.21.0+dfsg-1 |
| rapidfort fedora 43 | freerdp | 2:3.21.0-1.fc43 |
| rapidfort fedora 43 | freerdp-devel | 2:3.21.0-1.fc43 |
| rapidfort fedora 43 | freerdp-libs | 2:3.21.0-1.fc43 |
| rapidfort fedora 43 | freerdp-server | 2:3.21.0-1.fc43 |
| rapidfort fedora 43 | freerdp2 | 2.11.7-16.fc43 |
| rapidfort fedora 43 | freerdp2-devel | 2.11.7-16.fc43 |
| rapidfort fedora 43 | freerdp2-libs | 2.11.7-16.fc43 |
| rapidfort fedora 43 | libwinpr | 2:3.21.0-1.fc43 |
| rapidfort fedora 43 | libwinpr-devel | 2:3.21.0-1.fc43 |
| rapidfort fedora 43 | libwinpr2 | 2.11.7-16.fc43 |
| rapidfort fedora 43 | libwinpr2-devel | 2.11.7-16.fc43 |
| rapidfort Oracle Linux 10 | freerdp | 2:3.10.3-5.el10_1.1 |
| rapidfort Oracle Linux 10 | freerdp-devel | 2:3.10.3-5.el10_1.1 |
| rapidfort Oracle Linux 10 | freerdp-libs | 2:3.10.3-5.el10_1.1 |
| rapidfort Oracle Linux 10 | freerdp-server | 2:3.10.3-5.el10_1.1 |
| rapidfort Oracle Linux 10 | freerdp2-devel | 2.11.7-7.el10_2 |
| rapidfort Oracle Linux 10 | freerdp2-libs | 2.11.7-7.el10_2 |
| rapidfort Oracle Linux 10 | libwinpr | 2:3.10.3-5.el10_1.1 |
| rapidfort Oracle Linux 10 | libwinpr-devel | 2:3.10.3-5.el10_1.1 |
| rapidfort Oracle Linux 10 | libwinpr2 | 2.11.7-7.el10_2 |
| rapidfort Oracle Linux 10 | libwinpr2-devel | 2.11.7-7.el10_2 |
| rapidfort Oracle Linux 9 | freerdp | 2:2.11.7-1.el9_7.1 |
| rapidfort Oracle Linux 9 | freerdp-devel | 2:2.11.7-1.el9_7.1 |
| rapidfort Oracle Linux 9 | freerdp-libs | 2:2.11.7-1.el9_7.1 |
| rapidfort Oracle Linux 9 | libwinpr | 2:2.11.7-1.el9_7.1 |
| rapidfort Oracle Linux 9 | libwinpr-devel | 2:2.11.7-1.el9_7.1 |
| Red Hat | freerdp | kein Fix angegeben |
| Red Hat | freerdp-devel | kein Fix angegeben |
| Red Hat | freerdp-libs | kein Fix angegeben |
| Red Hat | freerdp-plugins | kein Fix angegeben |
| rocky 10 | freerdp | 2:3.10.3-5.el10_1.1 |
| rocky 10 | freerdp-libs | 2:3.10.3-5.el10_1.1 |
| rocky 10 | libwinpr | 2:3.10.3-5.el10_1.1 |
| rocky 8 | freerdp | 2:2.11.7-2.el8_10 |
| rocky 8 | freerdp-libs | 2:2.11.7-2.el8_10 |
| rocky 8 | libwinpr | 2:2.11.7-2.el8_10 |
| rocky 8 | libwinpr-devel | 2:2.11.7-2.el8_10 |
| rocky 9 | freerdp | 2:2.11.7-1.el9_7.1 |
| rocky 9 | freerdp-libs | 2:2.11.7-1.el9_7.1 |
| rocky 9 | libwinpr | 2:2.11.7-1.el9_7.1 |
| ubuntu 24.04 | freerdp3 | 3.5.1+dfsg1-0ubuntu1.4 |
| ubuntu 25.10 | freerdp3 | 3.16.0+dfsg-2ubuntu0.3 |
Referenzen
- https://access.redhat.com/errata/RHSA-2026:2048
- https://access.redhat.com/errata/RHSA-2026:2081
- https://access.redhat.com/errata/RHSA-2026:2222
- https://access.redhat.com/errata/RHSA-2026:2714
- https://access.redhat.com/errata/RHSA-2026:2736
- https://access.redhat.com/errata/RHSA-2026:2770
- https://access.redhat.com/errata/RHSA-2026:2824
- https://access.redhat.com/errata/RHSA-2026:2952
Alle 48 Referenzen
- https://access.redhat.com/errata/RHSA-2026:3036
- https://access.redhat.com/errata/RHSA-2026:3037
- https://access.redhat.com/errata/RHSA-2026:3038
- https://access.redhat.com/errata/RHSA-2026:3039
- https://access.redhat.com/errata/RHSA-2026:3041
- https://access.redhat.com/security/cve/CVE-2026-23884
- https://bugzilla.redhat.com/2430877
- https://bugzilla.redhat.com/2430880
- https://bugzilla.redhat.com/2430885
- https://bugzilla.redhat.com/2430886
- https://bugzilla.redhat.com/2430887
- https://bugzilla.redhat.com/2430888
- https://bugzilla.redhat.com/2430891
- https://bugzilla.redhat.com/show_bug.cgi?id=2430877
- https://bugzilla.redhat.com/show_bug.cgi?id=2430880
- https://bugzilla.redhat.com/show_bug.cgi?id=2430885
- https://bugzilla.redhat.com/show_bug.cgi?id=2430886
- https://bugzilla.redhat.com/show_bug.cgi?id=2430887
- https://bugzilla.redhat.com/show_bug.cgi?id=2430888
- https://bugzilla.redhat.com/show_bug.cgi?id=2430891
- https://creativecommons.org/licenses/by/4.0/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-23530
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-23531
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-23532
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-23533
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-23534
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-23883
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-23884
- https://errata.almalinux.org/9/ALSA-2026-2048.html
- https://errata.rockylinux.org/RLSA-2026:2048
- https://github.com/FreeRDP/FreeRDP/blob/3370e30e92a021eb680892dda14d642bc8b8727c/libfreerdp/cache/offscreen.c#L114-L122
- https://github.com/FreeRDP/FreeRDP/blob/3370e30e92a021eb680892dda14d642bc8b8727c/libfreerdp/cache/offscreen.c#L87-L91
- https://github.com/FreeRDP/FreeRDP/releases/tag/3.21.0
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-cfgj-vc84-f3pp
- https://linux.oracle.com/cve/CVE-2026-23884.html
- https://linux.oracle.com/errata/ELSA-2026-2714.html
- https://nvd.nist.gov/vuln/detail/CVE-2026-23884
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23884.json
- https://ubuntu.com/security/notices/USN-8105-1
- https://www.cve.org/CVERecord?id=CVE-2026-23884