CVE-2023-34453 — snappy-java is a fast compressor/decompressor for Java

snappy-java is a fast compressor/decompressor for Java. Due to unchecked multiplications, an integer overflow may occur in versions prior to 1.1.10.1, causing a fatal error.

01What is this vulnerability?

snappy-java is a fast compressor/decompressor for Java. Due to unchecked multiplications, an integer overflow may occur in versions prior to 1.1.10.1, causing a fatal error.

02Affected products

Vendor	Product	Versions
xerial	snappy	java — < 1.1.10.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-06-15T16:12:34.119Z
• Last modified: 2024-12-12T16:27:54.359Z

09References

• github.com — https://github.com/xerial/snappy-java/security/advisories/GHSA-pqr6-cmr2-h8hf
• github.com — https://github.com/xerial/snappy-java/commit/820e2e074c58748b41dbd547f4edba9e108…
• github.com — https://github.com/xerial/snappy-java/blob/05c39b2ca9b5b7b39611529cc302d3d796329…
• github.com — https://github.com/xerial/snappy-java/blob/master/src/main/java/org/xerial/snapp…