CVE-2026-90560
Publication date 14 September 2026
Last updated 14 September 2026
Ubuntu priority
Description
zstd-jni versions 1.2.0 through 1.5.7-13 contain an out-of-bounds read vulnerability in the ZstdDictDecompress constructor because offset and length arguments are never validated against the dictionary array bounds. Attackers can supply arbitrary offset or length values to read memory past the end of the supplied array, potentially causing JVM termination.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| zstd-jni-java | 26.04 LTS resolute |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy | Not in release |
Severity score breakdown
CVSS version:
Base score
8.8 · High
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Base score
8.2 · High
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-90560
- https://github.com/luben/zstd-jni/issues/405
- https://github.com/luben/zstd-jni
- https://github.com/luben/zstd-jni/blob/v1.2.0/src/main/java/com/github/luben/zstd/ZstdDictDecompress.java#L37
- https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/ZstdDictDecompress.java#L49
- https://github.com/luben/zstd-jni/commit/b74ab242d640c40897e62aab4c744ddfad1f915f
- https://github.com/luben/zstd-jni/releases/tag/v1.5.7-14
- https://www.vulncheck.com/advisories/zstd-jni-1.2.0-through-1.5.7-13-out-of-bounds-read-via-zstddictdecompress