Search/CVE-2026-75935
● CVE — High

CVE-2026-75935

DiscoveredAug 18, 2026UpdatedOct 22, 2026

Uncontrolled memory allocation in the binary Ion stream cursor in Amazon ion-java before 1.12.0 might allow remote actors to cause a denial of service via a crafted Ion binary document containing a declared-length field that causes excessive heap preallocation. To remediate this issue, users should upgrade to version 1.12.0.

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CVSS v3.1
7.5 HIGH
EPSS
0.61%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
1
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 20, 2026 → Sep 25, 2026
▲ 0.17pp
0.44% → 0.61% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Aug 18, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 22, 2026
Oct 21, 2026
aws.amazon.com reports: CVE-2026-75935 and CVE-2026-75936 - Issue with Amazon ion-java - Memory-amplification denial of service