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TI-2026-53126 Aliases CVE-2026-75893GHSA-5p56-5h9g-2gjv

Heap based buffer overflow at ipaccess_proxy_read_msg()

Priority LOW 39CWE-122Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00458 39th percentileScored 2026-11-07
Fix Fixed osmo-bsc (Osmocom): 1.14.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Osmocomosmo-bsc1.0.1 to before 1.14.11.14.1Patch availableCNA
  • osmo-bsc VendorOsmocom Affected 1.0.1 to before 1.14.1 Fixed in 1.14.1 Patch available CNA

Remediation

  • Fix · CNA osmo-bsc (Osmocom) Fixed in 1.14.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-75893
  2. 2026-10-03 Alias added: GHSA-5p56-5h9g-2gjv

References

Patch 1

  • TI-2026-53128 Out of bounds read at smpp34_unpack() CVSS 3.1HIGH 7.5
  • TI-2026-53127 Reachable assertion at ranap_handle_co_dt() CVSS 3.1HIGH 7.5
  • TI-2026-53125 Out of bounds write in PDP ctx GSN-Address decode CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences