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CVE-2026-50263

Medium priority
Needs evaluation

[CreateSaverWindow Use-After-Free Information Disclosure]

7 affected packages

xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...

Package 16.04 LTS
xorg Not affected
xorg-server Needs evaluation
xwayland
xorg-server-hwe-16.04 Needs evaluation
xorg-server-hwe-18.04
xorg-hwe-16.04 Not affected
xorg-hwe-18.04
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CVE-2026-50262

Medium priority
Needs evaluation

[GLX ChangeDrawableAttributes Out-Of-Bounds Read/Write]

7 affected packages

xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...

Package 16.04 LTS
xorg Not affected
xorg-server Needs evaluation
xwayland
xorg-server-hwe-16.04 Needs evaluation
xorg-server-hwe-18.04
xorg-hwe-16.04 Not affected
xorg-hwe-18.04
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CVE-2026-50261

Medium priority
Needs evaluation

[XSYNC Use-After-Free in SyncChangeCounter()]

7 affected packages

xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...

Package 16.04 LTS
xorg Not affected
xorg-server Needs evaluation
xwayland
xorg-server-hwe-16.04 Needs evaluation
xorg-server-hwe-18.04
xorg-hwe-16.04 Not affected
xorg-hwe-18.04
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CVE-2026-50260

Medium priority
Needs evaluation

[XSYNC Use-After-Free in FreeCounter()]

7 affected packages

xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...

Package 16.04 LTS
xorg Not affected
xorg-server Needs evaluation
xwayland
xorg-server-hwe-16.04 Needs evaluation
xorg-server-hwe-18.04
xorg-hwe-16.04 Not affected
xorg-hwe-18.04
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CVE-2026-50259

Medium priority
Needs evaluation

[XKB SetMap Request Stack-based Buffer Overflow]

7 affected packages

xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...

Package 16.04 LTS
xorg Not affected
xorg-server Needs evaluation
xwayland
xorg-server-hwe-16.04 Needs evaluation
xorg-server-hwe-18.04
xorg-hwe-16.04 Not affected
xorg-hwe-18.04
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CVE-2026-50258

Medium priority
Needs evaluation

[XKB Key Types Stack-based Buffer Overflow]

7 affected packages

xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...

Package 16.04 LTS
xorg Not affected
xorg-server Needs evaluation
xwayland
xorg-server-hwe-16.04 Needs evaluation
xorg-server-hwe-18.04
xorg-hwe-16.04 Not affected
xorg-hwe-18.04
Show all 7 packages Show less packages

CVE-2026-50257

Medium priority
Needs evaluation

[XSYNC Use-After-Free in miSyncDestroyFence()]

7 affected packages

xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...

Package 16.04 LTS
xorg Not affected
xorg-server Needs evaluation
xwayland
xorg-server-hwe-16.04 Needs evaluation
xorg-server-hwe-18.04
xorg-hwe-16.04 Not affected
xorg-hwe-18.04
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CVE-2026-50256

Medium priority
Needs evaluation

[Font Alias Stack-based Buffer Overflow]

7 affected packages

xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...

Package 16.04 LTS
xorg Not affected
xorg-server Needs evaluation
xwayland
xorg-server-hwe-16.04 Needs evaluation
xorg-server-hwe-18.04
xorg-hwe-16.04 Not affected
xorg-hwe-18.04
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CVE-2026-44393

Medium priority
Needs evaluation

(An issue was discovered in OpenStack oslo.messaging 1.0.0 through 17.3 ...)

1 affected package

python-oslo.messaging

Package 16.04 LTS
python-oslo.messaging Needs evaluation
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CVE-2026-36499

Medium priority
Needs evaluation

(A missing upper-bound check in the udpif_set_threads() function of Ope ...)

1 affected package

openvswitch

Package 16.04 LTS
openvswitch Needs evaluation
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