Division by zero Affecting oai/openairinterface5g package, versions [,2026.22)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published11 Jun 2026
- disclosed1 Jun 2026
- creditUnknown
Introduced: 1 Jun 2026
CVE-2026-37232 (opens in a new tab)How to fix?
Upgrade oai/openairinterface5g to version 2026.22 or higher.
Overview
Affected versions of this package are vulnerable to Division by zero in the calculation of the PRB utilization metric in the fill_RRU_PrbTotDl and fill_RRU_PrbTotUl functions. An attacker can cause the 5G base station process to crash by sending a high volume of E42_RIC_SUBSCRIPTION_REQUESTs via the FlexRIC iApp, leading to a division by zero when two consecutive PRB aggregate samples are identical. This results in complete service interruption for all connected user equipment.