Buffer Overflow in Xquic Server
Priority LOW 36CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
: Out-of-bounds Write vulnerability in Xquic Project Xquic Server xquic on Linux (QUIC protocol implementation, packet processing module modules) allows : Buffer Manipulation.This issue affects Xquic Server: through 1.8.3.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00425 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| XQUIC Project | Xquic Server | up to 1.8.3 | — | No fix listed | CNA |
- Xquic Server VendorXQUIC Project Affected up to 1.8.3 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1788
- 2026-10-03 Alias added: GHSA-xccv-2cc3-7px5
References
More XQUIC Project vulnerabilities
- TI-2026-05550 XQUIC Improper STREAM Frame Validation in Initial/Handshake Packets CVSS 4.0HIGH 8.3
Sources
- CVE-2026-1788 · CVE Program
- CVE-2026-1788 · NVD
- FIRST EPSS
- GHSA-xccv-2cc3-7px5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences