Buffer overflow in Lemonos
CVE-2025-9001
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.010 (60.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Lemonos
- Lemonos — versions nightly-2024-07-12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- hkohi.ca/vulnerability/16 (related, Exploit, Third Party Advisory)
- github.com/LemonOSProject/LemonOS/issues/60 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-9001?
- CVE-2025-9001 is a medium-severity vulnerability in Lemonos, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-08-15.
- How severe is CVE-2025-9001?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-9001 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.