Bug 2433231 (CVE-2026-24825)

Summary: CVE-2026-24825 ydb: ydb: Denial of Service via memory leak
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: akostadi, amasferr, dmayorov, jcantril, jlledo, pantinor, rojacob, tsedmik
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in ydb. This memory management vulnerability, identified as a 'Missing Release of Memory after Effective Lifetime', exists within the `contrib/libs/yajl` modules, specifically affecting the `yail_tree.C` program file. A remote attacker could exploit this by repeatedly triggering memory allocations without proper deallocation. This could lead to resource exhaustion, ultimately causing a Denial of Service (DoS) for the affected system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2222241, 2435918, 2435919    
Bug Blocks:    

Description OSIDB Bzimport 2026-01-27 10:02:00 UTC
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.