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CVE-2026-124684

Escargot · Vulnerability

CVSS 3.1 5.7 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 15 Nov 2026 09:25:41 UTC. Read the latest advisory.

cve-program · CVE-2026-124684

Published

A use-after-free vulnerability exists in Samsung Escargot 5.0.2 in the buffer-access paths for ReloadableString and CompressibleString. Internal raw character accessors and the public StringRef::stringBufferAccessData() API did not preserve the lifetime of the underlying buffer while it remained in use. As a result, idle unloading or garbage-collection compression could release the buffer and leave a stale pointer. Subsequent access may cause the process to crash or, under allocation-dependent conditions, expose limited contents of another heap allocation. The issue was addressed by adding buffer-lifetime reference tracking and removing unsafe raw character accessors.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-124684

Published

A use-after-free vulnerability exists in Samsung Escargot 5.0.2 in the buffer-access paths for ReloadableString and CompressibleString. Internal raw character accessors and the public StringRef::stringBufferAccessData() API did not preserve…

A use-after-free vulnerability exists in Samsung Escargot 5.0.2 in the buffer-access paths for ReloadableString and CompressibleString. Internal raw character accessors and the public StringRef::stringBufferAccessData() API did not preserve the lifetime of the underlying buffer while it remained in use. As a result, idle unloading or garbage-collection compression could release the buffer and leave a stale pointer. Subsequent access may cause the process to crash or, under allocation-dependent conditions, expose limited contents of another heap allocation. The issue was addressed by adding buffer-lifetime reference tracking and removing unsafe raw character accessors.

Source published
9 Nov 2026 11:28:07 UTC
Source modified
15 Nov 2026 07:18:50 UTC
Saved here
15 Nov 2026 09:25:41 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H

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Sources read 15 Nov 23:13 UTC · 274 of 275 readable · 250 fully read · 18 waiting for GitHub's hourly limit · documentation 461/469 current

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