CVE-2025-9001 LemonOS HTTP Client main.cpp HTTPGet stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in LemonOS HTTP Client via crafted chunkSize, 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-2025-9001?
CVE-2025-9001 is a medium-severity memory corruption vulnerability in LemonOS, published on 15 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was determined in LemonOS up to nightly-2024-07-12 on LemonOS. Affected by this issue is the function HTTPGet of the file /Applications/Steal/main.cpp of the component HTTP Client. The manipulation of the argument chunkSize leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-9001?
It affects 1 product.
Products include Lemonos Lemonos.
How do I fix CVE-2025-9001?
No fix has been published for CVE-2025-9001 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-2025-9001 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9001 exists.
Sources
Also known as GHSA-q4jv-qf8j-35f6.