high · 7

A flaw was found in GCC.

CVE-2026-102010 · GHSA-q3jj-75h6-5xmp · EUVD-2026-88443 · published 28 Sept 2026

How serious is it

  • Severity: high, CVSS score 7 out of 10.
  • No exploit prediction (EPSS) score yet.
  • Not on the CISA list of exploited vulnerabilities.
  • No public exploit in Exploit-DB.

Is your app affected by CVE-2026-102010?

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Who is affected

  • Red Hat Red Hat Hardened Images: patch: 13.5.0-0.2.hum1
  • Red Hat Red Hat Enterprise Linux 10: patch: 0:15.2.1-7.1.el10_2
  • Red Hat Red Hat Hardened Images: patch: 16.2.1-3.hum1
  • Red Hat Red Hat Enterprise Linux 8: patch: 0:15.2.1-7.2.el8_10
  • Red Hat Red Hat Enterprise Linux 8: patch: 0:8.5.0-30.el8_10

How to check

  1. Find out whether you run the affected product and which version, then compare it with the versions above.

How to fix

Copies a prompt for Claude Code, Cursor or Codex that asks it to check whether you run this product.
  1. Apply the vendor's update or mitigation from the references below. If there is none yet, limit exposure of the affected service until there is.
  2. If a vulnerable version was live, check your logs and rotate the secrets that server could read.

The advisory

A flaw was found in GCC. When an application calls the erase_if function on a binary heap priority queue in libstdc++, the library reallocates storage but fails to update its internal entry pointer. An attacker capable of triggering this operation can exploit this use-after-free condition, leading to a Denial of Service (DoS) via an application crash or potential memory corruption.

Check your whole app

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References

Merged from ENISA EUVD. Last updated 29 Oct 2026. All vulnerabilities · RSS · JSON

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