Double Free in Xerial Snappy-Java
CVE-2026-108104
Xerial snappy-java from 1.1.7.4 before 1.1.10.10 contains a double release vulnerability in SnappyFramedInputStream that returns pooled buffers twice when replacement allocation fails. Attackers can supply framed data with a large declared chunk length to trigger OutOfMemoryError, causing shared backing arrays that expose or overwrite other streams' decompressed data.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/xerial/snappy-java/security/advisories/GHSA-c73m-r934-8qvg (vendor-advisory)
- github.com/xerial/snappy-java/commit/139a53090a6662298924fd75d21f4769b4a219ea (patch)
- github.com/xerial/snappy-java/releases/tag/v1.1.10.10 (release-notes)
- github.com/xerial/snappy-java/blob/v1.1.10.9/src/main/java/org/xerial/snappy/Sn… (technical-description)
- github.com/xerial/snappy-java (product)
- www.vulncheck.com/advisories/xerial-snappy-java-1.1.7.4-before-1.1.10.10-double… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108104?
- CVE-2026-108104 is a medium-severity vulnerability in Xerial Snappy-Java, classified under Double Free. CVSS score: 4.8/10. Published 2026-10-09.
- How severe is CVE-2026-108104?
- Medium severity. CVSS v3 base score is 4.8 out of 10.