PT-2026-4887 · Root · Root

Titan Team · Published 2026-01-27 · Updated 2026-03-03 · CVE-2026-24812

Positive Technologies (AI Summary)

CVSS v4.0

9.3

Critical

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:D/RE:M/U:Amber

Name of the Vulnerable Software and Affected Versions root versions through 6.36.00-rc1

Description A flaw exists in the root-project root (builtins/zlib modules) related to program files inftrees.C.

Recommendations Update to a version later than 6.36.00-rc1.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

AZL-75357

AZL-75366

AZL-75393

CVE-2026-24812

Affected Products

Root

References · 11

• https://github.com/root-project/root/pull/18527 · Patch
• https://osv.dev/vulnerability/AZL-75393 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-24812 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-75366 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-75357 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-24812 · Security Note
• https://twitter.com/CVEnew/status/2016081241355817403 · Twitter Post
• https://root.cern/blog/recent-common-vulnerabilities-when-does-ROOT-need-to-be-updated · Note
• https://t.me/cveNotify/153978 · Telegram Post
• https://twitter.com/0dayPublishing/status/2016254016355742073 · Twitter Post
• https://t.me/cveNotify/152476 · Telegram Post