Detections
Analytics
CentOS Linux 7 [TuxCare] Security Update: libXrender / libXrender-devel (CENTOS7:CLSA-2026:1793351077)
high Nessus Plugin ID 375676
Synopsis
The CentOS Linux host is missing one or more security updates.Description
The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1793351077 advisory.- A heap overflow in libXrender before 0.9.13 in RenderQueryPictFormats could be used by malicious X servers to inject code into attached X clients. (CVE-2026-88807)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages based on the guidance in TuxCare advisory CENTOS7:CLSA-2026:1793351077.See Also
Plugin Details
Severity: High
ID: 375676
File Name: tuxcare_centos_7_CLSA-2026-1793351077.nasl
Version: 1.1
Type: Local
Agent: unix
Family: CentOS Local Security Checks
Published: 11/3/2026
Updated: 11/3/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5
Percentile: 92.86
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 7.6
Temporal Score: 5.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-88807
CVSS v3
Risk Factor: High
Base Score: 8.3
Temporal Score: 7.2
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.9
Threat Score: 5.9
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Vulnerability Information
Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/OS/extended-third-party
Exploit Ease: No known exploits are available
Patch Publication Date: 10/30/2026
Vulnerability Publication Date: 9/21/2026
Reference Information
CVE: CVE-2026-88807
CLSA: 2026:1793351077