CVE-2026-102010 GCC - Use After Free

GCC libstdc++ contains a use-after-free caused by failure to update internal entry pointer after reallocating storage in erase_if function on binary heap priority queue, letting attackers cause denial of service or memory corruption, exploit requires triggering erase_if operation.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
Published
28 September 2026
Updated
15 October 2026
Weakness
CWE-825

Vendor fix

Update to the latest version of GCC with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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