xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

Important: Red Hat Security Advisory: xorg-x11-server-Xwayland security update

An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Xorg: xwayland: x.org x server: denial of service via integer underflow in xkb compatibility map handling

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xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

[SECURITY] Fedora 44 Update: xrdp-0.10.6-1.fc44

xrdp provides a fully functional RDP server compatible with a wide range of RDP clients, including FreeRDP and Microsoft RDP client...

[SECURITY] Fedora 42 Update: xrdp-0.10.6-1.fc42

xrdp provides a fully functional RDP server compatible with a wide range of RDP clients, including FreeRDP and Microsoft RDP client...

Important: xorg-x11-server-Xwayland security update

Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling CVE-2026-33999 xorg: xwayland: X.Org X server: Use-after-free vulnerability leads to server crash and potential...

Important: xorg-x11-server security update

X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Security Fixes: xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling...

Fedora 42 : coturn (2026-e673311164)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-e673311164 advisory. Coturn 4.10.0 Performance Add Linux-only recvmmsg client receive path for DTLS/UDP listener Skip response buffer allocation for STUN indications...

[SECURITY] Fedora 44 Update: xorg-x11-server-Xwayland-24.1.10-1.fc44

Xwayland is an X server for running X clients under Wayland...

[SECURITY] Fedora 44 Update: qt6-qt5compat-6.10.3-1.fc44

Qt6 - Qt 5 Compatibility Libraries...

Fedora 44 : rpki-client (2026-879659f6c2)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-879659f6c2 advisory. rpki-client 9.8 - Various refactoring for improved compatibility with various libcrypto implementations and in CA/BGPsec certificate handling. - Fixed an...

golang security update

1.25.9-3 - Do not ignore any tests in check 1.25.9-2 - Skip terminal test in container 1.25.9-1 - Update to Go 1.25.9 fips-2...

Fedora 43 : rpki-client (2026-27892c9184)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-27892c9184 advisory. rpki-client 9.8 - Various refactoring for improved compatibility with various libcrypto implementations and in CA/BGPsec certificate handling. - Fixed an...

CVE-2026-33999

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

CVE-2026-33999 Xorg: xwayland: x.org x server: denial of service via integer underflow in xkb compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

CVE-2026-33999

CVE-2026-33999 affects the X.Org X server, specifically an integer underflow in the XKB compatibility map handling, allowing a local or remote X11 server user to trigger a buffer read overrun. The result is memory-safety violations and potential DoS or other impacts as described in the connected ...

CVE-2026-33999 Xorg: xwayland: x.org x server: denial of service via integer underflow in xkb compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...