RH
Product
Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION
34
CVEs
0
On KEV
9.8
Max CVSS
1
New 30D
VulnerabilityMedium
ZDI-26-397: X.Org Server CreateSaverWindow Use-After-Free Information Disclosure Vulnerability
This vulnerability allows local attackers to disclose sensitive information on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 5.5. The following CVEs are assigned: CVE-2026-50263.
Jun 24, 2026·Zero Day Initiative
VulnerabilityHigh
ZDI-26-395: X.Org Server SyncChangeCounter Use-After-Free Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-50261.
Jun 24, 2026·Zero Day Initiative
VulnerabilityHigh
ZDI-26-394: X.Org Server FreeCounter Use-After-Free Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-50260.
Jun 24, 2026·Zero Day Initiative
VulnerabilityHigh
ZDI-26-393: X.Org Server SetMap Request Stack-based Buffer Overflow Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-50259.
Jun 24, 2026·Zero Day Initiative
VulnerabilityMedium
ZDI-26-396: X.Org Server ChangeDrawableAttributes Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows local attackers to disclose sensitive information on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 5.5. The following CVEs are assigned: CVE-2026-50262.
Jun 24, 2026·Zero Day Initiative
VulnerabilityHigh
ZDI-26-391: X.Org Server miSyncDestroyFence Use-After-Free Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-50257.
Jun 24, 2026·Zero Day Initiative
ThreatIntelHigh
ZDI-26-390: X.Org Server Font Alias Stack-based Buffer Overflow Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-50256.
Jun 24, 2026·Zero Day Initiative
VulnerabilityMedium
ZDI-26-334: X.Org Server CheckSetGeom Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows local attackers to disclose sensitive information on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.1. The following CVEs are assigned: CVE-2026-34000.
Jun 9, 2026·Zero Day Initiative
VulnerabilityHigh
ZDI-26-333: X.Org Server XkbSetCompatMap Integer Underflow Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-33999.
Jun 9, 2026·Zero Day Initiative
VulnerabilityMedium
ZDI-26-336: X.Org Server CheckKeyActions Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows local attackers to disclose sensitive information on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.1. The following CVEs are assigned: CVE-2026-34002.
Jun 9, 2026·Zero Day Initiative
VulnerabilityHigh
ZDI-26-337: X.Org Server CheckKeyTypes Buffer Overflow Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-34003.
Jun 9, 2026·Zero Day Initiative
VulnerabilityHigh
ZDI-26-335: X.Org Server SyncAwaitFence Use-After-Free Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-34001.
Jun 9, 2026·Zero Day Initiative