CVE-2026-48042

EUVD-2026-39819
Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, destructor of JSON Object results in stack overflow when deeply O(100K) nested objects are present. This vulnerability is fixed in 1.35.11, 1.36.7, 1.37.3, and 1.38.1.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 29.29%
Affected Products (NVD)
VendorProductVersion
envoyproxyenvoy
1.18.0 ≤
𝑥
< 1.35.13
envoyproxyenvoy
1.36.0 ≤
𝑥
< 1.36.9
envoyproxyenvoy
1.37.0 ≤
𝑥
< 1.37.5
envoyproxyenvoy
1.38.0 ≤
𝑥
< 1.38.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/envoyproxy/envoy/blob/099a9d71ebfd8aa9f823e1738b34138cb634a07b/source/common/json/json_loader.h#L21
https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv
https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv