Vulnerability · Published Jan 27, 2026 · Assigned by GovTech CSG

CVE-2026-24812An improper pointer arithmetic in root-project/root at builtins/zlib/inftrees.c

Critical 9.3

In plain English

A critical-severity out-of-bounds read 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 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.3%top 75.8% 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 inftrees.C. This issue affects root: through 6.36.00-rc1.

Affected products (as reported)

VendorProductVersions
root-project root 0 – through 6.36.00-rc1

Weakness: CWE-125 · 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

References