---
id: CVE-2026-75893
title: "In osmo-bsc from 1.0.1 through 1.14.1 a heap based buffer overflow issue was found in the\_ipaccess_proxy_read_msg()\_ function via\_IPA frame lengths."
summary: "In osmo-bsc from 1.0.1 through 1.14.1 a heap based buffer overflow issue was found in the\_ipaccess_proxy_read_msg()\_ function via\_IPA frame lengths."
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-122
vendor: Osmocom
product: osmo-bsc
affected:
  - osmo-bsc >= 1.0.1 < 1.14.1
published: '2026-09-18'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T19:17:09.910'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75893'
references:
  - url: >-
      https://cgit.osmocom.org/osmo-bsc/commit/?id=2852a03c153cd9418c2a86d0b2193ac41169dbb7
    label: 74b3a70d-cca6-4d34-9789-e83b222ae3be
tags:
  - nvd
  - cve.org
epss: 0.00267
epssPercentile: 0.19073
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-21T18:15:49.133561Z'
ingestedAt: '2026-09-18T18:47:53.272Z'
---

## Overview

In osmo-bsc from 1.0.1 through 1.14.1 a heap based buffer overflow issue was found in the ipaccess_proxy_read_msg()  function via IPA frame lengths.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.