CVE-2026-102010
HIGHA 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...
Full CISO analysis pending enrichment.
What systems are affected?
How severe is it?
What is the attack surface?
What should I do?
No patch available
Monitor for updates. Consider compensating controls or temporary mitigations.
Which compliance frameworks are affected?
Compliance analysis pending. Sign in for full compliance mapping when available.
Frequently Asked Questions
What is CVE-2026-102010?
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.
Is CVE-2026-102010 actively exploited?
No confirmed active exploitation of CVE-2026-102010 has been reported, but organizations should still patch proactively.
How to fix CVE-2026-102010?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2026-102010?
CVE-2026-102010 has a CVSS v3.1 base score of 7.0 (HIGH).
What are the technical details?
Original 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.
Weaknesses (CWE)
CWE-825 — Expired Pointer Dereference: The product dereferences a pointer that contains a location for memory that was previously valid, but is no longer valid.
- [Architecture and Design] Choose a language that provides automatic memory management.
- [Implementation] When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.
Source: MITRE CWE corpus.
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:HReferences
- access.redhat.com/errata/RHSA-2026:73642vendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2026:74569vendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2026:89830vendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2026:89891vendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2026:90915vendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2026:95581vendor-advisoryx_refsource_REDHAT
- access.redhat.com/security/cve/CVE-2026-102010vdb-entryx_refsource_REDHAT
- bugzilla.redhat.com/show_bug.cgiissue-trackingx_refsource_REDHAT
Timeline
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