CVE-2026-22858
freerdp: FreeRDP global-buffer-overflow
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut Red Hat (hoch), AlmaLinux (hoch), Oracle (hoch), Rocky Linux (hoch), Amazon (mittel), Ubuntu (mittel).
Beschreibung
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is treated as unsigned, so the guard c <= 0 can be optimized into a simple c != 0 check. As a result, non-ASCII bytes (e.g., 0x80-0xFF) may bypass the intended range restriction and be used as an index into a global lookup table, causing out-of-bounds access. This vulnerability is fixed in 3.20.1.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| alma 8 | freerdp, freerdp-devel, freerdp-libs und 2 weitere | 2:2.11.7-3.el8_10 |
| alma 9 | freerdp, freerdp-devel, freerdp-libs und 2 weitere | 2:2.11.7-1.el9_7.2 |
| alpine 3.23 | freerdp | 3.22.0-r0 |
| amazon linux 2023 | freerdp, freerdp-debuginfo, freerdp-debugsource und 8 weitere | 2:3.6.3-1.amzn2023.0.3 |
| 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 | 3.20.2+dfsg-1 |
| echo | freerdp2, freerdp3 | 3.15.0+dfsg-2.1+deb13u1 |
| Oracle Linux 7 | freerdp, freerdp-devel, freerdp-libs und 2 weitere | 2.1.1-5.0.3.el7_9 |
| Oracle Linux 8 | freerdp, freerdp-devel, freerdp-libs und 2 weitere | 2:2.11.7-3.el8_10 |
| Oracle Linux 9 | freerdp, freerdp-devel, freerdp-libs und 2 weitere | 2:2.11.7-1.el9_7.2 |
Alle 100 Einträge aus 29 Quellen zeigen
| Quelle | Paket | Behoben in |
|---|---|---|
| alma 8 | freerdp | 2:2.11.7-3.el8_10 |
| alma 8 | freerdp-devel | 2:2.11.7-3.el8_10 |
| alma 8 | freerdp-libs | 2:2.11.7-3.el8_10 |
| alma 8 | libwinpr | 2:2.11.7-3.el8_10 |
| alma 8 | libwinpr-devel | 2:2.11.7-3.el8_10 |
| alma 9 | freerdp | 2:2.11.7-1.el9_7.2 |
| alma 9 | freerdp-devel | 2:2.11.7-1.el9_7.2 |
| alma 9 | freerdp-libs | 2:2.11.7-1.el9_7.2 |
| alma 9 | libwinpr | 2:2.11.7-1.el9_7.2 |
| alma 9 | libwinpr-devel | 2:2.11.7-1.el9_7.2 |
| alpine 3.23 | freerdp | 3.22.0-r0 |
| amazon linux 2023 | freerdp | 2:3.6.3-1.amzn2023.0.3 |
| amazon linux 2023 | freerdp-debuginfo | 2:3.6.3-1.amzn2023.0.3 |
| amazon linux 2023 | freerdp-debugsource | 2:3.6.3-1.amzn2023.0.3 |
| amazon linux 2023 | freerdp-devel | 2:3.6.3-1.amzn2023.0.3 |
| amazon linux 2023 | freerdp-libs | 2:3.6.3-1.amzn2023.0.3 |
| amazon linux 2023 | freerdp-libs-debuginfo | 2:3.6.3-1.amzn2023.0.3 |
| amazon linux 2023 | freerdp-server | 2:3.6.3-1.amzn2023.0.3 |
| amazon linux 2023 | freerdp-server-debuginfo | 2:3.6.3-1.amzn2023.0.3 |
| amazon linux 2023 | libwinpr | 2:3.6.3-1.amzn2023.0.3 |
| amazon linux 2023 | libwinpr-debuginfo | 2:3.6.3-1.amzn2023.0.3 |
| amazon linux 2023 | libwinpr-devel | 2:3.6.3-1.amzn2023.0.3 |
| 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 | 3.20.2+dfsg-1 |
| echo | freerdp2 | kein Fix angegeben |
| echo | freerdp3 | 3.15.0+dfsg-2.1+deb13u1 |
| Oracle Linux 7 | freerdp | 2.1.1-5.0.3.el7_9 |
| Oracle Linux 7 | freerdp-devel | 2.1.1-5.0.3.el7_9 |
| Oracle Linux 7 | freerdp-libs | 2.1.1-5.0.3.el7_9 |
| Oracle Linux 7 | libwinpr | 2.1.1-5.0.3.el7_9 |
| Oracle Linux 7 | libwinpr-devel | 2.1.1-5.0.3.el7_9 |
| Oracle Linux 8 | freerdp | 2:2.11.7-3.el8_10 |
| Oracle Linux 8 | freerdp-devel | 2:2.11.7-3.el8_10 |
| Oracle Linux 8 | freerdp-libs | 2:2.11.7-3.el8_10 |
| Oracle Linux 8 | libwinpr | 2:2.11.7-3.el8_10 |
| Oracle Linux 8 | libwinpr-devel | 2:2.11.7-3.el8_10 |
| Oracle Linux 9 | freerdp | 2:2.11.7-1.el9_7.2 |
| Oracle Linux 9 | freerdp-devel | 2:2.11.7-1.el9_7.2 |
| Oracle Linux 9 | freerdp-libs | 2:2.11.7-1.el9_7.2 |
| Oracle Linux 9 | libwinpr | 2:2.11.7-1.el9_7.2 |
| Oracle Linux 9 | libwinpr-devel | 2:2.11.7-1.el9_7.2 |
| rapidfort alpine 3.20 | freerdp | 3.20.2-r0 |
| rapidfort alpine 3.21 | freerdp | 3.20.2-r0 |
| rapidfort alpine 3.22 | freerdp | 3.20.2-r0 |
| rapidfort amazon linux 2023 | freerdp | 2:3.6.3-1.amzn2023.0.3 |
| rapidfort amazon linux 2023 | freerdp-devel | 2:3.6.3-1.amzn2023.0.3 |
| rapidfort amazon linux 2023 | freerdp-libs | 2:3.6.3-1.amzn2023.0.3 |
| rapidfort amazon linux 2023 | freerdp-server | 2:3.6.3-1.amzn2023.0.3 |
| rapidfort amazon linux 2023 | libwinpr | 2:3.6.3-1.amzn2023.0.3 |
| rapidfort amazon linux 2023 | libwinpr-devel | 2:3.6.3-1.amzn2023.0.3 |
| rapidfort debian 12 | freerdp2 | kein Fix angegeben |
| rapidfort debian 12 | freerdp3 | 0:3.15.0+dfsg-2.1+deb13u1, 0:3.20.2+dfsg-1 |
| rapidfort debian 13 | freerdp2 | kein Fix angegeben |
| rapidfort debian 13 | freerdp3 | 0:3.15.0+dfsg-2.1+deb13u1, 0:3.20.2+dfsg-1 |
| rapidfort fedora 43 | freerdp | 2:3.20.2-1.fc43 |
| rapidfort fedora 43 | freerdp-devel | 2:3.20.2-1.fc43 |
| rapidfort fedora 43 | freerdp-libs | 2:3.20.2-1.fc43 |
| rapidfort fedora 43 | freerdp-server | 2:3.20.2-1.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 | 2:3.20.2-1.fc43 |
| rapidfort fedora 43 | libwinpr-devel | 2:3.20.2-1.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_1.2 |
| rapidfort Oracle Linux 10 | freerdp-devel | 2:3.10.3-5.el10_1.2 |
| rapidfort Oracle Linux 10 | freerdp-libs | 2:3.10.3-5.el10_1.2 |
| rapidfort Oracle Linux 10 | freerdp-server | 2:3.10.3-5.el10_1.2 |
| 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_1.2 |
| rapidfort Oracle Linux 10 | libwinpr-devel | 2:3.10.3-5.el10_1.2 |
| 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_7.2 |
| rapidfort Oracle Linux 9 | freerdp-devel | 2:2.11.7-1.el9_7.2 |
| rapidfort Oracle Linux 9 | freerdp-libs | 2:2.11.7-1.el9_7.2 |
| rapidfort Oracle Linux 9 | libwinpr | 2:2.11.7-1.el9_7.2 |
| rapidfort Oracle Linux 9 | libwinpr-devel | 2:2.11.7-1.el9_7.2 |
| 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_1.2 |
| rocky 10 | freerdp-libs | 2:3.10.3-5.el10_1.2 |
| rocky 10 | libwinpr | 2:3.10.3-5.el10_1.2 |
| rocky 8 | freerdp | 2:2.11.7-3.el8_10 |
| rocky 8 | freerdp-libs | 2:2.11.7-3.el8_10 |
| rocky 8 | libwinpr | 2:2.11.7-3.el8_10 |
| rocky 8 | libwinpr-devel | 2:2.11.7-3.el8_10 |
| rocky 9 | freerdp | 2:2.11.7-1.el9_7.2 |
| rocky 9 | freerdp-libs | 2:2.11.7-1.el9_7.2 |
| rocky 9 | libwinpr | 2:2.11.7-1.el9_7.2 |
| ubuntu 24.04 | freerdp3 | 3.5.1+dfsg1-0ubuntu1.4 |
| ubuntu 25.10 | freerdp3 | 3.16.0+dfsg-2ubuntu0.3 |
| ubuntu 26.04 | freerdp3 | 3.20.2+dfsg-1 |
| ubuntu 26.10 | freerdp3 | 3.20.2+dfsg-1 |
Referenzen
- https://access.redhat.com/errata/RHSA-2026:19033
- https://access.redhat.com/errata/RHSA-2026:3067
- https://access.redhat.com/errata/RHSA-2026:3068
- https://access.redhat.com/errata/RHSA-2026:3334
- https://access.redhat.com/errata/RHSA-2026:3975
- https://access.redhat.com/errata/RHSA-2026:4121
- https://access.redhat.com/errata/RHSA-2026:4433
- https://access.redhat.com/errata/RHSA-2026:4437
Alle 35 Referenzen
- https://access.redhat.com/errata/RHSA-2026:4438
- https://access.redhat.com/errata/RHSA-2026:4439
- https://access.redhat.com/errata/RHSA-2026:4440
- https://access.redhat.com/errata/RHSA-2026:4446
- https://access.redhat.com/errata/RHSA-2026:4471
- https://access.redhat.com/errata/RHSA-2026:4489
- https://access.redhat.com/security/cve/CVE-2026-22858
- https://bugzilla.redhat.com/2429645
- https://bugzilla.redhat.com/2429649
- https://bugzilla.redhat.com/2429653
- https://bugzilla.redhat.com/show_bug.cgi?id=2429645
- https://bugzilla.redhat.com/show_bug.cgi?id=2429649
- https://bugzilla.redhat.com/show_bug.cgi?id=2429653
- https://creativecommons.org/licenses/by/4.0/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-22855
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-22858
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-22859
- https://errata.almalinux.org/9/ALSA-2026-3067.html
- https://errata.rockylinux.org/RLSA-2026:3067
- https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qmqf-m84q-x896
- https://linux.oracle.com/cve/CVE-2026-22858.html
- https://linux.oracle.com/errata/ELSA-2026-4471.html
- https://nvd.nist.gov/vuln/detail/CVE-2026-22858
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22858.json
- https://ubuntu.com/security/notices/USN-8105-1
- https://www.cve.org/CVERecord?id=CVE-2026-22858