What’s Vulnerable › Vulnerabilities

CVE-2026-114690: Gcc: confirmed out-of-bounds read/write in libstdc++ parallel `std

• Severity: medium (CVSS 6.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-30 · updated 2026-10-30
• Weakness: CWE-787

Description

A flaw was found in GCC. An out-of-bounds memory access vulnerability exists in the libstdc++ parallel search implementation due to an undersized internal buffer. A local attacker can exploit this flaw by providing crafted search data to an application compiled with parallel mode, causing the process to crash and leading to a Denial of Service (DoS).

Affected products

• Red Hat OpenShift Container Platform 4.18: all versions
• Red Hat Enterprise Linux 10: all versions
• Red Hat Enterprise Linux 8: all versions
• Red Hat Enterprise Linux 9: all versions
• Red Hat Hardened Images: all versions
• Red Hat OpenShift Container Platform 5: all versions

References

• https://access.redhat.com/security/cve/CVE-2026-114690
• https://bugzilla.redhat.com/show_bug.cgi?id=2478652

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