by Kastro
Paper/Archive/CVE-2026-24811

CVE-2026-24811

root-project root — An improper pointer arithmetic in root-project/root at builtins/zlib/inffast.c

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
35
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 28.6.286 × 205.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C. This issue affects root.

Affected

ProductAffectedFixed inSource
root≤ 6.36.00-rc1–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GovTech CSG (CNA)9.3CVSS: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
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

patchgithub.com/root-project/root/pull/18526refroot.cern/blog/recent-common-vulnerabilities-when-does-ROOT-need-to-be-updated