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    CVE-2026-115455

    A flaw was found in GCC libstdc++. When an application extracts data into a bitset from a wide-character stream, internal stack memory allocation fails to properly account for character size and alignment. An attacker capable of supplying crafted input to an affected application could trigger a stack-based buffer overflow leading denial of service (DoS).

    Published:Oct 30, 2026
    Last Modified:Oct 30, 2026
    EPS:Oct 30, 2026
    EPSS Score:
    CVSS Score:6.5

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Hummingbird
    Vendor
    Redhat
    Product
    Openshift

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-115456 (CVSS 3.7) — A flaw was found in gcc. An attacker could cause a Denial of Service (DoS) by passing a string that is not nul…
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    CVE-2026-114690 (CVSS 6.2) — A flaw was found in GCC. An out-of-bounds memory access vulnerability exists in the libstdc++ parallel search …
    CVE-2026-118593 (CVSS 5.9) — A flaw was found in Red Hat Enterprise Linux 9 kernel builds. An incomplete backport of the CVE-2026-46099 fix…
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    CVE-2026-118475 (CVSS 3.6) — A flaw was found in Eye of GNOME. When parsing a specially crafted PNG image containing malformed color profil…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-115455 — Redhat (Medium 6.5) | CVE-DB