Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-6370-1 | xorg-server security update |
Thu, 25 Jun 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | ||
| References |
|
Wed, 24 Jun 2026 11:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | ||
| References |
|
Mon, 22 Jun 2026 08:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/o:redhat:enterprise_linux:10.2 | |
| References |
|
Thu, 18 Jun 2026 04:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/a:redhat:enterprise_linux:8::crb cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb |
|
| References |
|
Wed, 17 Jun 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/a:redhat:enterprise_linux:8::appstream | |
| References |
|
Mon, 08 Jun 2026 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
X.org x Server
X.org xwayland |
|
| CPEs | cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* |
|
| Vendors & Products |
X.org x Server
X.org xwayland |
Sun, 07 Jun 2026 11:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
X.org
X.org xorg-server Xorg Xorg xwayland |
|
| Vendors & Products |
X.org
X.org xorg-server Xorg Xorg xwayland |
Fri, 05 Jun 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Fri, 05 Jun 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
threat_severity
|
Fri, 05 Jun 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. _XkbSetMapChecks() declares a fixed-size stack buffer mapWidths[256] indexed by key type index. The helper function CheckKeyTypes() writes to this buffer at a client-controlled offset, allowing a stack buffer overflow. This may be used to crash the server, or for privilege escalation if the X server runs as root. | |
| Title | Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in xkb setmap request via mapwidths indexing | |
| First Time appeared |
Redhat
Redhat enterprise Linux |
|
| Weaknesses | CWE-121 | |
| CPEs | cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
|
| Vendors & Products |
Redhat
Redhat enterprise Linux |
|
| References |
|
|
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-06-25T13:16:19.345Z
Reserved: 2026-06-04T14:55:24.011Z
Link: CVE-2026-50259
Updated: 2026-06-05T13:00:24.211Z
Status : Analyzed
Published: 2026-06-05T12:16:39.240
Modified: 2026-06-08T18:28:43.927
Link: CVE-2026-50259
OpenCVE Enrichment
Updated: 2026-06-07T11:17:12Z
Debian DSA