Medium · 6.9 CVE-2026-24825 EUVD-2026-4806

a memory leak in ydb-platform/ydb with use of yajl_tree_parse function from src/yail module, which will cause out-of-memory in server and cause crash.

Published Jan 27, 2026 · Updated Jan 27, 2026 · Assigned by GovTech CSG

Description

Missing Release of Memory after Effective Lifetime vulnerability in ydb-platform ydb (contrib/libs/yajl modules). This vulnerability is associated with program files yail_tree.C.

This issue affects ydb: through 24.4.4.2.

Affected products

Vendor	Product	Affected	Fixed
ydb-platform	ydb	—	—

References

https://github.com/ydb-platform/ydb/pull/17570 patch