Bug 2529280 (CVE-2026-86315)

Summary: CVE-2026-86315 Escargot: Escargot: Out-of-bounds write leads to Denial of Service
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: akhatavk, anpicker, aos-team-art-private, asdas, bbrownin, bparees, dpaolell, gotiwari, hasun, jdelft, jfula, jhorak, jowilson, jupierce, lgarciaa, mbiarnes, mvyas, nyancey, ometelka, ppalepu, ppostler, prdhamdh, ptisnovs, rhel-process-autobot, sghai, sidsharm, suppawar, syedriko, vlaad, watson-tool-maintainers, xdharmai
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in Samsung Open Source Escargot. This out-of-bounds write vulnerability, caused by numeric truncation, allows an attacker to corrupt native memory. By supplying specially crafted JavaScript for execution, a remote attacker can trigger this flaw, leading to the host process crashing and resulting in a denial of service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-09-07 04:21:16 UTC
An out-of-bounds write caused by numeric truncation  Samsung Open Source Escargot on Linux x86-64 allows an attacker who can supply JavaScript for execution to corrupt native memory and crash the host process via a crafted class definition whose instance initialization entry count exceeds UINT16_MAX.



This issue affects Escargot: 5dc93606abd42b859045add05d704a038e197359.