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High 8.9Published Sep 21, 2026
CVE-2026-88807libXrender RenderQueryPictFormats Reply Heap-based Buffer Overflow
Updated under an hour ago ()
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It affects X.org libXrender. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.9 HIGH (v4.0, CNA)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
- Weakness (CWE)
- CWE-122
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- suse
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
X.org libXrender x.org:libxrender (from the name) | before 0.9.13 | CNA record |
References
- https://gitlab.freedesktop.org/xorg/lib/libxrender/-/merge_requests/19patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.