CVE catalog
CVE-2026-88807
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.
- Severity
- High · CVSS 8.9
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.26% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libxrender | sid | 1:0.9.13-1 | fixed |
| Debian | libxrender | forky | 1:0.9.12-1 | vulnerable |
| Debian | libxrender | trixie | 1:0.9.12-1 | vulnerable |
| Debian | libxrender | bookworm | 1:0.9.10-1.1 | vulnerable |
| Suse | libXrender | linux enterprise server 16.0 | 0.9.11-160000.3.1 | fixed |
| Suse | libXrender | linux enterprise server for sap applications 16.0 | 0.9.11-160000.3.1 | fixed |
| Suse | libXrender | linux micro 6.2 | 0.9.11-160000.3.1 | fixed |
| Suse | libXrender | linux enterprise micro 5.3 | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise micro 5.4 | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise micro 5.5 | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise module for basesystem 15 sp7 | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise high performance computing 15 sp4-espos | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise high performance computing 15 sp4-ltss | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise high performance computing 15 sp5-espos | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise high performance computing 15 sp5-ltss | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise server 15 sp4-ltss | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise server 15 sp5-ltss | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise server 15 sp6-ltss | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise server for sap applications 15 sp4 | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise server for sap applications 15 sp5 | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise server for sap applications 15 sp6 | 0.9.10-150000.3.3.1 | fixed |
| Suse | libXrender | linux enterprise server 12 sp5-ltss | 0.9.8-8.3.1 | fixed |
| Suse | libXrender | linux enterprise server ltss extended security 12 sp5 | 0.9.8-8.3.1 | fixed |
| Opensuse | libXrender | leap 16.0 | 0.9.11-160000.3.1 | fixed |
| Opensuse | libXrender | tumbleweed | 0.9.12-2.1 | fixed |
| Alpine | libxrender | 3.24 | 0.9.13-r0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libxrender | source | sid | 1:0.9.13-1 | not yet assigned | Not reported | [1148735] |
| Debian | libxrender | source | forky | (unfixed) | not yet assigned | Not reported | [1148735] |
| Debian | libxrender | source | trixie | (unfixed) | not yet assigned | Not reported | [1148735] |
| Debian | libxrender | source | bookworm | (unfixed) | not yet assigned | Not reported | [1148735] |
| Suse | libXrender | rpm | linux enterprise server 16.0 | 0.9.11-160000.3.1 | Not reported | SUSE-SU-2026:23900-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise server for sap applications 16.0 | 0.9.11-160000.3.1 | Not reported | SUSE-SU-2026:23900-1 | Not reported |
| Suse | libXrender | rpm | linux micro 6.2 | 0.9.11-160000.3.1 | Not reported | SUSE-SU-2026:23886-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise micro 5.3 | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise micro 5.4 | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise micro 5.5 | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise module for basesystem 15 sp7 | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise high performance computing 15 sp4-espos | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise high performance computing 15 sp4-ltss | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise high performance computing 15 sp5-espos | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise high performance computing 15 sp5-ltss | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise server 15 sp4-ltss | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise server 15 sp5-ltss | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise server 15 sp6-ltss | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise server for sap applications 15 sp4 | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise server for sap applications 15 sp5 | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise server for sap applications 15 sp6 | 0.9.10-150000.3.3.1 | Not reported | SUSE-SU-2026:4397-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise server 12 sp5-ltss | 0.9.8-8.3.1 | Not reported | SUSE-SU-2026:4395-1 | Not reported |
| Suse | libXrender | rpm | linux enterprise server ltss extended security 12 sp5 | 0.9.8-8.3.1 | Not reported | SUSE-SU-2026:4395-1 | Not reported |
| Opensuse | libXrender | rpm | leap 16.0 | 0.9.11-160000.3.1 | Not reported | OPENSUSE-SU-2026:21909-1 | Not reported |
| Opensuse | libXrender | rpm | tumbleweed | 0.9.12-2.1 | Not reported | OPENSUSE-SU-2026:11834-1 | Not reported |
| Alpine | libxrender | apk | 3.24 | 0.9.13-r0 | Not reported | ALPINE-CVE-2026-88807 | Not reported |
Notes
[trixie] libxrender: Minor issue [bookworm] libxrender: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libxrender1]Affected
Source package: [libxrender]
Details (2)
1:0.9.10-1.1· amd64 · bookwormAffected
nvd · libxrender · debian · bookworm; nvd · libxrender · debian · 12
1:0.9.10-1.1· arm64 · bookwormAffected
nvd · libxrender · debian · bookworm; nvd · libxrender · debian · 12
- [libxrender-dev]Affected
Source package: [libxrender]
Details (2)
1:0.9.10-1.1· amd64 · bookwormAffected
nvd · libxrender · debian · bookworm; nvd · libxrender · debian · 12
1:0.9.10-1.1· arm64 · bookwormAffected
nvd · libxrender · debian · bookworm; nvd · libxrender · debian · 12
[Debian 13 (Trixie)]
- [libxrender1]Affected
Source package: [libxrender]
Details (2)
1:0.9.12-1· amd64 · trixieAffected
nvd · libxrender · debian · 13
1:0.9.12-1· arm64 · trixieAffected
nvd · libxrender · debian · 13
- [libxrender-dev]Affected
Source package: [libxrender]
Details (2)
1:0.9.12-1· amd64 · trixieAffected
nvd · libxrender · debian · 13
1:0.9.12-1· arm64 · trixieAffected
nvd · libxrender · debian · 13
[openSUSE Tumbleweed]
- [libXrender1]Unknown
Source package: [libXrender]
Details (1)
0.9.12-1.6· x86_64 · tumbleweedUnknown · Fixed:
0.9.12-2.1Version impact unknown
nvd · libXrender · opensuse · tumbleweed
- [libXrender1-32bit]Unknown
Source package: [libXrender]
Details (1)
0.9.12-1.6· x86_64 · tumbleweedUnknown · Fixed:
0.9.12-2.1Version impact unknown
nvd · libXrender · opensuse · tumbleweed
- [libXrender-devel]Unknown
Source package: [libXrender]
Details (1)
0.9.12-1.6· x86_64 · tumbleweedUnknown · Fixed:
0.9.12-2.1Version impact unknown
nvd · libXrender · opensuse · tumbleweed
- [libXrender-devel-32bit]Unknown
Source package: [libXrender]
Details (1)
0.9.12-1.6· x86_64 · tumbleweedUnknown · Fixed:
0.9.12-2.1Version impact unknown
nvd · libXrender · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11834-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-88807]
- [https://osv.dev/vulnerability/ALPINE-CVE-2026-88807]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-88807]
- [https://osv.dev/vulnerability/SUSE-SU-2026:23886-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:23900-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:4395-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:4397-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:11834-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:21909-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-88807]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-88807.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]