Buffer overflow in Spimsimulator Spim
CVE-2025-29364
spimsimulator spim v9.1.24 and before is vulnerable to Buffer Overflow in the READ_SYSCALL and WRITE_SYSCALL system calls. The application verifies the legitimacy of the starting and ending addresses for memory read/write operations. By configuring the starting and ending addresses for memory read/write to point to distinct memory segments within the virtual machine, it is possible to circumvent these checks.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (29.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/Giles-one/spimsimulatorEscape (Exploit)
- gist.github.com/Giles-one/a398e3da21ea9567970c6f0de543c3b3 (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-29364?
- CVE-2025-29364 is a medium-severity vulnerability in Spimsimulator Spim, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2025-08-28.
- How severe is CVE-2025-29364?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-29364 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.