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CVE-2026-115456

Gcc: out-of-bounds read in std::from_chars

CVSS 3.1 3.7 LOWCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-115456

Published

A flaw was found in gcc. An attacker could cause a Denial of Service (DoS) by passing a string that is not null-terminated to the std::from_chars() function in the libstdc++ library. This issue triggers an out-of-bounds read beyond the allocated buffer, potentially leading to invalid data parsing or an application crash.

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Affected versions, risk and source history

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Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-115456 · CVE overview and exploitation status

cve-program · CVE-2026-115456

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Sources read 12 Nov 18:36 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current

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