CVE-2026-24812 An improper pointer arithmetic in root-project/root at builtins/zlib/inftrees.c
Improper pointer arithmetic in the zlib module of the ROOT framework allows attackers to cause memory corruption, potentially leading to code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-24812?
CVE-2026-24812 is a critical memory corruption vulnerability in root-project root, published on 27 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-125
Which versions are affected by CVE-2026-24812?
How do I fix CVE-2026-24812?
No fix has been published for CVE-2026-24812 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-24812 being exploited?
There is no known exploitation of CVE-2026-24812 in the wild and no public exploit code.
Sources
Also known as AZL-75357, AZL-75366, AZL-75393, GHSA-3qgq-r69m-f2f7.