libXrender RenderQueryPictFormats Reply Heap-based Buffer Overflow
CVE-2026-88807 is fixed in 5 products on 1 platform, first by RHSA-2026:91003, released September 21, 2026. It is not reported as exploited. Patch Radar priority: High.
X.Org X11 libXrender runtime library Security Fix(es): * libXrender: libXrender: Code injection via heap overflow in RenderQueryPictFormats (CVE-2026-88807) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libXrender · RHEL 10 | 0.9.11-8.el10_2.1 | RHSA-2026:91003 | Sep 21, 2026 |
| libXrender · RHEL 8 | 0:0.9.10-8.el8_10 | RHSA-2026:91267 | Oct 29, 2026 |
| libXrender · RHEL 9 | 0:0.9.10-16.el9_8.2 | RHSA-2026:91057 | Oct 30, 2026 |
| libXrender · almalinux 10 | 0.9.11-8.el10_2.1 | ALSA-2026:91003 | Nov 7, 2026 |
| libXrender · almalinux 8 | 0.9.10-8.el8_10 | ALSA-2026:91267 | Nov 7, 2026 |
| libXrender · almalinux 9 | 0.9.10-16.el9_8.2 | ALSA-2026:91057 | Nov 7, 2026 |
| libXrender · amzn 2023 | 0.9.11-6.amzn2023.0.2 | ALAS2023-2026-3178 | Nov 7, 2026 |
| libXrender · ol 10 | 0:0.9.11-8.el10_2.1 | ELSA-2026-91003 | Nov 7, 2026 |
| libXrender · ol 8 | 0:0.9.10-8.el8_10 | ELSA-2026-91267 | Nov 7, 2026 |
| libXrender · ol 9 | 0:0.9.10-16.el9_8.2 | ELSA-2026-91057 | Nov 7, 2026 |
| libXrender · opensuse-leap 16.0 | 0.9.11-160000.3.1 | OPENSUSE-SU-2026:21909-1 | Sep 22, 2026 |
| libXrender · rocky 10 | 0:0.9.11-8.el10_2.1 | RLSA-2026:91003 | Nov 7, 2026 |
| libXrender · rocky 8 | 0:0.9.10-8.el8_10 | RLSA-2026:91267 | Nov 7, 2026 |
| libXrender · rocky 9 | 0:0.9.10-16.el9_8.2 | RLSA-2026:91057 | Nov 7, 2026 |
| libXrender · sles 15.6 | 0.9.10-150000.3.3.1 | SUSE-SU-2026:4397-1 | Sep 29, 2026 |
| libXrender · sles 15.7 | 0.9.10-150000.3.3.1 | SUSE-SU-2026:4397-1 | Sep 29, 2026 |
| libXrender · sles 16.0 | 0.9.11-160000.3.1 | SUSE-SU-2026:23900-1 | Sep 22, 2026 |
| libXrender-debuginfo · amzn 2023 | 0.9.11-6.amzn2023.0.2 | ALAS2023-2026-3178 | Nov 7, 2026 |
| libXrender-debugsource · amzn 2023 | 0.9.11-6.amzn2023.0.2 | ALAS2023-2026-3178 | Nov 7, 2026 |
| libXrender-devel · RHEL 8 | 0:0.9.10-8.el8_10 | RHSA-2026:91267 | Oct 29, 2026 |
| libXrender-devel · RHEL 9 | 0:0.9.10-16.el9_8.2 | RHSA-2026:91057 | Oct 30, 2026 |
| libXrender-devel · almalinux 10 | 0.9.11-8.el10_2.1 | ALSA-2026:91003 | Nov 7, 2026 |
| libXrender-devel · almalinux 8 | 0.9.10-8.el8_10 | ALSA-2026:91267 | Nov 7, 2026 |
| libXrender-devel · almalinux 9 | 0.9.10-16.el9_8.2 | ALSA-2026:91057 | Nov 7, 2026 |
| libXrender-devel · amzn 2023 | 0.9.11-6.amzn2023.0.2 | ALAS2023-2026-3178 | Nov 7, 2026 |
| libXrender-devel · ol 10 | 0:0.9.11-8.el10_2.1 | ELSA-2026-91003 | Nov 7, 2026 |
| libXrender-devel · ol 8 | 0:0.9.10-8.el8_10 | ELSA-2026-91267 | Nov 7, 2026 |
| libXrender-devel · ol 9 | 0:0.9.10-16.el9_8.2 | ELSA-2026-91057 | Nov 7, 2026 |
| libxrender · Debian 14 | 1:0.9.13-1 | DEBIAN-CVE-2026-88807 | Sep 21, 2026 |
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