CVE-2026-109090EUVD-2026-111111GHSA-5H6F-WH6V-848R
libXi XGetDeviceControl DEVICE_ENABLE Heap Buffer Overflow
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.8.4
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The libXi library, used by X Window System applications to handle input devices, is affected. A malicious X server could send a specially crafted reply that causes a heap buffer overflow in the client, potentially allowing a crash or other unintended behavior.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
A malicious X server could cause a heap overflow by injecting a large DEVICE_ENABLE reply when processed by libXi before 1.8.4.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- libXi
fixed in 1.8.4