Vulnerability · Published Sep 17, 2026 · Assigned by VulnCheck
CVE-2026-93452snappy-java through 1.1.10.8 Buffer Overflow in Snappy.compress
High 7.5
In plain English
A high-severity out-of-bounds write in snappy-java from xerial. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 47.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
snappy-java through 1.1.10.8 contains a buffer overflow vulnerability in Snappy.compress(ByteBuffer, ByteBuffer) that writes past the end of the destination buffer. Attackers can supply incompressible data that exceeds the destination buffer's remaining capacity, corrupting off-heap memory and causing JVM termination.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | snappy-java | no fix listed | UBUNTU-CVE-2026-93452 |
| Ubuntu:24.04:LTS | snappy-java | no fix listed | UBUNTU-CVE-2026-93452 |
| Ubuntu:26.04:LTS | snappy-java | no fix listed | UBUNTU-CVE-2026-93452 |
| Ubuntu:26.10 | snappy-java | no fix listed | UBUNTU-CVE-2026-93452 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| xerial | snappy-java | 0 – through 1.1.10.8 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- GitHub Issue #732 issue-tracking
- https://github.com/xerial/snappy-java/blob/v1.1.10.8/src/main/java/org/xerial/snappy/Snappy.java#L137 technical-description
- https://github.com/xerial/snappy-java product
- VulnCheck Advisory: snappy-java through 1.1.10.8 Buffer Overflow in Snappy.compress third-party-advisory