Gcc: out-of-bounds read in std::from_chars
Historical advisory recorded 11 Nov 2026 14:57:26 UTC. Read the latest advisory.
cve-program · CVE-2026-115456
PublishedA 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.
Read the publisher's advisoryAffected versions, risk and source history
cve-program · CVE-2026-115456
PublishedGcc: out-of-bounds read in std::from_chars
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.
- Source published
- 30 Oct 2026 08:21:50 UTC
- Source modified
- 11 Nov 2026 13:59:26 UTC
- Saved here
- 11 Nov 2026 14:57:26 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 · 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L