PT-2026-5770 · Xquic · Xquic

CVE-2026-1788 · Published 2026-02-03 · Updated 2026-02-03

Positive Technologies (AI Summary)

CVSS v4.0

6.6

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U/RE:M/U:Amber

Name of the Vulnerable Software and Affected Versions Xquic versions through 1.8.3

Description An out-of-bounds write issue exists in the Xquic Server xquic on Linux, specifically within the packet processing module. This allows for buffer manipulation.

Recommendations Update to a version beyond 1.8.3.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2026-1788

Affected Products

Xquic

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1788.json · Exploit
• https://ubuntu.com/security/CVE-2026-1788 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-1788 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-1788 · Security Note
• https://osv.dev/vulnerability/CVE-2026-1788 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-1788 · Vendor Advisory
• https://github.com/alibaba/xquic · Note
• https://github.com · Note
• https://t.me/CVEtracker/43564 · Telegram Post
• https://t.me/cveNotify/150681 · Telegram Post
• https://twitter.com/CVEnew/status/2018534805420323136 · Twitter Post