{"id":"CVE-2026-108106","aliases":["DEBIAN-CVE-2026-108106","EUVD-2026-95807","GHSA-94x4-5g3f-jjxp","GHSA-q233-g92q-qxp6","UBUNTU-CVE-2026-108106"],"status":"published","title":"Xerial snappy-java before 1.1.10.9 Unbounded Memory Allocation Denial of Service","description":"Xerial snappy-java before 1.1.10.9 contains an unbounded memory allocation vulnerability that allows attackers to exhaust JVM memory by declaring a large uncompressed length in compressed input. Attackers can supply a few crafted bytes to Snappy.uncompress, uncompressString, SnappyInputStream or SnappyFramedInputStream to force allocations up to 2 GB, causing OutOfMemoryError and denial of service.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00371,"percentile":0.31503,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770","CWE-789"],"published":"2026-10-09T14:33:29Z","modified":"2026-10-28T11:06:13Z","fixes":[{"ecosystem":"Maven","package":"org.xerial.snappy:snappy-java","fixed_in":["1.1.10.9"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.xerial.snappy:snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.1.10.8"},{"fixed":"1.1.10.9"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.10.5-1","1.1.10.5-2","1.1.10.7-1","1.1.10.8-1","1.1.8.3-1"]},{"source":"osv","ecosystem":"Debian:13","package":"snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.10.7-1","1.1.10.8-1"]},{"source":"osv","ecosystem":"Debian:14","package":"snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.10.7-1","1.1.10.8-1"]},{"source":"osv","ecosystem":"Maven","package":"org.xerial.snappy:snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.10.9"}]}],"versions":["1.0.1-rc1","1.0.1-rc2","1.0.1-rc3","1.0.1-rc4","1.0.3","1.0.3-rc1","1.0.3-rc2","1.0.3-rc3","1.0.3-rc4","1.0.3.1","1.0.3.2","1.0.3.3","1.0.4","1.0.4.1","1.0.5","1.0.5-M1","1.0.5-M2","1.0.5-M3","1.0.5-M4","1.0.5.1","1.0.5.2","1.0.5.3","1.0.5.4","1.1.0","1.1.0-M1","1.1.0-M2","1.1.0-M3","1.1.0-M4","1.1.0.1","1.1.1","1.1.1-M1","1.1.1-M2","1.1.1-M3","1.1.1-M4","1.1.1.1","1.1.1.2","1.1.1.3","1.1.1.4","1.1.1.5","1.1.1.6","1.1.1.7","1.1.10.0","1.1.10.1","1.1.10.2","1.1.10.3","1.1.10.4","1.1.10.5","1.1.10.6","1.1.10.7","1.1.10.8","1.1.2","1.1.2-M1","1.1.2-RC1","1.1.2-RC2","1.1.2-RC3","1.1.2.1","1.1.2.2","1.1.2.3","1.1.2.4","1.1.2.5","1.1.2.6","1.1.3-M1","1.1.3-M2","1.1.4","1.1.4-M1","1.1.4-M2","1.1.4-M3","1.1.7","1.1.7.1","1.1.7.2","1.1.7.3","1.1.7.4","1.1.7.5","1.1.7.6","1.1.7.7","1.1.7.8","1.1.8","1.1.8.1","1.1.8.2","1.1.8.3","1.1.8.4","1.1.9.0","1.1.9.1"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.4.1~dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.1.7-2","1.1.2-1","1.1.2.1-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.4-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.7.2-1","1.1.7.3-1","1.1.7.3-1build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.8.3-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.8.3-1","1.1.10.5-1","1.1.10.5-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.10.8-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"snappy-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.10.7-1","1.1.10.8-1"]}],"products":[{"vendor":"xerial","product":"snappy-java"}],"references":[{"url":"https://github.com/xerial/snappy-java/security/advisories/GHSA-q233-g92q-qxp6","tags":["vendor-advisory","advisory","web","report"]},{"url":"https://github.com/xerial/snappy-java/commit/943c6043a292568575e8347af4507d015e802c75","tags":["patch","fix","web","report"]},{"url":"https://github.com/xerial/snappy-java/releases/tag/v1.1.10.9","tags":["release-notes","advisory","web","report"]},{"url":"https://github.com/xerial/snappy-java/blob/v1.1.10.8/src/main/java/org/xerial/snappy/Snappy.java#L517","tags":["technical-description","article","web","report"]},{"url":"https://github.com/xerial/snappy-java","tags":["product","package","web","report"]},{"url":"https://www.vulncheck.com/advisories/xerial-snappy-java-before-1.1.10.9-unbounded-memory-allocation-denial-of-service","tags":["third-party-advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108106","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-94x4-5g3f-jjxp"},{"url":"https://github.com/xerial/snappy-java/pull/739","tags":["web"]},{"url":"https://github.com/advisories/GHSA-q233-g92q-qxp6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108106.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-108106","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-108106","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-108106","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-108106","title":"Xerial snappy-java before 1.1.10.9 Unbounded Memory Allocation Denial of Service","description":"Xerial snappy-java before 1.1.10.9 contains an unbounded memory allocation vulnerability that allows attackers to exhaust JVM memory by declaring a large uncompressed length in compressed input. Attackers can supply a few crafted bytes to Snappy.uncompress, uncompressString, SnappyInputStream or SnappyFramedInputStream to force allocations up to 2 GB, causing OutOfMemoryError and denial of service.","status":"published","published":"2026-10-09T14:33:29.499Z","modified":"2026-10-13T16:51:17.678Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-789"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-95807","description":"Xerial snappy-java before 1.1.10.9 contains an unbounded memory allocation vulnerability that allows attackers to exhaust JVM memory by declaring a large uncompressed length in compressed input. Attackers can supply a few crafted bytes to Snappy.uncompress, uncompressString, SnappyInputStream or SnappyFramedInputStream to force allocations up to 2 GB, causing OutOfMemoryError and denial of service.","status":"published","published":"2026-10-09T14:33:29Z","modified":"2026-10-13T16:51:17Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:19.576751Z"}],"ghsa":[{"id":"GHSA-94x4-5g3f-jjxp","title":"Duplicate Advisory: snappy-java: Unbounded memory allocation from attacker-declared uncompressed lengtha","description":"## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-q233-g92q-qxp6. This link is maintained to preserve external references.\n\n## Original Description\nXerial snappy-java before 1.1.10.9 contains an unbounded memory allocation vulnerability that allows attackers to exhaust JVM memory by declaring a large uncompressed length in compressed input. Attackers can supply a few crafted bytes to Snappy.uncompress, uncompressString, SnappyInputStream or SnappyFramedInputStream to force allocations up to 2 GB, causing OutOfMemoryError and denial of service.","status":"withdrawn","published":"2026-10-09T15:31:33Z","modified":"2026-10-27T15:33:19Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-789"],"updated_at":"2026-11-02T14:41:37.912288Z"},{"id":"GHSA-q233-g92q-qxp6","title":"snappy-java: Unbounded memory allocation from attacker-declared uncompressed lengtha","description":"### Impact\nSeveral decompression paths in snappy-java allocate an output buffer sized by the uncompressed length declared in the first bytes of the compressed data, before decompressing or validating it. A few bytes of crafted input can therefore force an allocation of up to 2 GB, causing `OutOfMemoryError` (denial of service), or a `NegativeArraySizeException` for declared lengths of 2^31 or more.\n\nAffected entry points include `Snappy.uncompress(byte[])`, `Snappy.uncompressString`, the `Snappy.uncompress*Array` methods, `SnappyInputStream`, and `SnappyFramedInputStream`. The `maxChunkSize` limit added for CVE-2023-43642 bounds only the compressed chunk length, so it does not prevent this.\n\n### Patches\nFixed in 1.1.10.9 (#739). `Snappy.uncompressedLength()` now rejects negative declared lengths, and lengths larger than any valid Snappy stream of the given size can produce. The densest Snappy element expands 3 bytes to 64, so the limit is 64/3 of the compressed size. Allocations are therefore proportional to the input actually received.\n\n### Workarounds\nBefore decompressing untrusted data, check that `Snappy.uncompressedLength(input)` is within an application-specific limit.","status":"published","published":"2026-10-27T15:33:22Z","modified":"2026-10-27T15:33:24Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770","CWE-789"],"updated_at":"2026-11-02T14:41:37.912288Z"}],"nvd":[{"id":"CVE-2026-108106","description":"Xerial snappy-java before 1.1.10.9 contains an unbounded memory allocation vulnerability that allows attackers to exhaust JVM memory by declaring a large uncompressed length in compressed input. Attackers can supply a few crafted bytes to Snappy.uncompress, uncompressString, SnappyInputStream or SnappyFramedInputStream to force allocations up to 2 GB, causing OutOfMemoryError and denial of service.","status":"published","published":"2026-10-09T15:17:11.55Z","modified":"2026-10-13T17:17:19.13Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-789"],"updated_at":"2026-11-02T14:12:55.473789Z"}],"osv":[{"id":"CVE-2026-108106","title":"Xerial snappy-java before 1.1.10.9 Unbounded Memory Allocation Denial of Service","description":"Xerial snappy-java before 1.1.10.9 contains an unbounded memory allocation vulnerability that allows attackers to exhaust JVM memory by declaring a large uncompressed length in compressed input. Attackers can supply a few crafted bytes to Snappy.uncompress, uncompressString, SnappyInputStream or SnappyFramedInputStream to force allocations up to 2 GB, causing OutOfMemoryError and denial of service.","status":"published","published":"2026-10-09T14:33:29.499Z","modified":"2026-10-28T11:06:13.490149111Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-789"],"updated_at":"2026-11-02T15:44:54.933106Z"},{"id":"DEBIAN-CVE-2026-108106","description":"Xerial snappy-java before 1.1.10.9 contains an unbounded memory allocation vulnerability that allows attackers to exhaust JVM memory by declaring a large uncompressed length in compressed input. Attackers can supply a few crafted bytes to Snappy.uncompress, uncompressString, SnappyInputStream or SnappyFramedInputStream to force allocations up to 2 GB, causing OutOfMemoryError and denial of service.","status":"published","published":"2026-10-09T15:17:11.55Z","modified":"2026-10-14T10:00:30.538208298Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-02T15:45:49.381767Z"},{"id":"GHSA-94x4-5g3f-jjxp","title":"Duplicate Advisory: snappy-java: Unbounded memory allocation from attacker-declared uncompressed lengtha","description":"## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-q233-g92q-qxp6. This link is maintained to preserve external references.\n\n## Original Description\nXerial snappy-java before 1.1.10.9 contains an unbounded memory allocation vulnerability that allows attackers to exhaust JVM memory by declaring a large uncompressed length in compressed input. Attackers can supply a few crafted bytes to Snappy.uncompress, uncompressString, SnappyInputStream or SnappyFramedInputStream to force allocations up to 2 GB, causing OutOfMemoryError and denial of service.","status":"withdrawn","published":"2026-10-09T15:31:33Z","modified":"2026-10-27T15:47:24.311989323Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-789"],"updated_at":"2026-11-02T15:46:43.123867Z"},{"id":"GHSA-q233-g92q-qxp6","title":"snappy-java: Unbounded memory allocation from attacker-declared uncompressed lengtha","description":"### Impact\nSeveral decompression paths in snappy-java allocate an output buffer sized by the uncompressed length declared in the first bytes of the compressed data, before decompressing or validating it. A few bytes of crafted input can therefore force an allocation of up to 2 GB, causing `OutOfMemoryError` (denial of service), or a `NegativeArraySizeException` for declared lengths of 2^31 or more.\n\nAffected entry points include `Snappy.uncompress(byte[])`, `Snappy.uncompressString`, the `Snappy.uncompress*Array` methods, `SnappyInputStream`, and `SnappyFramedInputStream`. The `maxChunkSize` limit added for CVE-2023-43642 bounds only the compressed chunk length, so it does not prevent this.\n\n### Patches\nFixed in 1.1.10.9 (#739). `Snappy.uncompressedLength()` now rejects negative declared lengths, and lengths larger than any valid Snappy stream of the given size can produce. The densest Snappy element expands 3 bytes to 64, so the limit is 64/3 of the compressed size. Allocations are therefore proportional to the input actually received.\n\n### Workarounds\nBefore decompressing untrusted data, check that `Snappy.uncompressedLength(input)` is within an application-specific limit.","status":"published","published":"2026-10-27T15:33:22Z","modified":"2026-10-27T15:47:24.815707184Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770","CWE-789"],"updated_at":"2026-11-02T15:46:53.700556Z"},{"id":"UBUNTU-CVE-2026-108106","description":"Xerial snappy-java before 1.1.10.9 contains an unbounded memory allocation vulnerability that allows attackers to exhaust JVM memory by declaring a large uncompressed length in compressed input. Attackers can supply a few crafted bytes to Snappy.uncompress, uncompressString, SnappyInputStream or SnappyFramedInputStream to force allocations up to 2 GB, causing OutOfMemoryError and denial of service.","status":"published","published":"2026-10-09T15:17:00Z","modified":"2026-10-17T12:59:48.356304056Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:55:59.130573Z"}]}}