OSV-2025-408 Heap-buffer-overflow in sav_parse_long_variable_names_record
A heap buffer overflow in the SPSS file parser allows attackers to cause denial of service or potentially execute code via malicious files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is OSV-2025-408?
OSV-2025-408 is a memory corruption vulnerability in readstat, published on 27 May 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=420198855
Crash type: Heap-buffer-overflow READ 1
Crash state:
sav_parse_long_variable_names_record
sav_parse_records_pass2
readstat_parse_sav
Which versions are affected by OSV-2025-408?
1 open source package ship an affected version, including readstat.
| Package | Affected | Fixed in |
|---|---|---|
readstat OSS-Fuzz | All versions | None |
How do I fix OSV-2025-408?
No fix has been published for OSV-2025-408 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 OSV-2025-408 being exploited?
There is no known exploitation of OSV-2025-408 in the wild and no public exploit code.