Vulnerability · Published Jan 27, 2026 · Assigned by GovTech CSG
CVE-2026-24811An improper pointer arithmetic in root-project/root at builtins/zlib/inffast.c
Critical 9.3
In plain English
A critical-severity memory corruption in root from root-project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).
Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.4%top 71.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C. This issue affects root.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| root-project | root | 0 – through 6.36.00-rc1 |
Weakness: CWE-119, CWE-125, CWE-787, CWE-20 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:M/U:Amber