Vulnerability record/PUBLISHED/Published Oct 30, 2026 07:13:05 UTC
CVE-2026-114691
A flaw was found in the libstdc++ component of GCC. An attacker who can provide an excessively large element count to a boolean vector (std::vector<bool>) constructor can trigger an integer wrap during internal memory calculations. This issue leaves the container in an inconsistent state, leading to out-of-bounds memory access and resulting in an application crash or a Denial of Service (DoS) during subsequent operations.
Base score5.9/ 10
SeverityMediumCVSS 3.1
Exploitability / impact
CVSS metric breakdown
Base severityMedium
Attack vectorNetworkAV
Attack complexityHighAC
Privileges requiredNonePR
User interactionNoneUI
ScopeUnchangedS
Confidentiality impactNoneC
Integrity impactNoneI
Availability impactHighA
CVSS vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HCVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.
Record context
CVE Numbering Authorityredhat
Last updatedOct 30, 2026 07:13:05 UTC
PublishedOct 30, 2026 07:13:05 UTC
ReservedOct 21, 2026 22:16:10 UTC
Credits
- This issue was discovered by Found by AISLE in partnership with Red Hat.