TI-2026-53128 Aliases CVE-2026-75895 GHSA-fpm9-38vr-4gp8

Out of bounds read at smpp34_unpack()

LOW 39CWE-125Published 2026-09-18 · Updated 2026-09-30

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

In libsmpp35 from 0.1.0 through 1.8.0 out of bound read issue was found in the at smpp34_unpack() function via attacker controlled SMPP PDUs, leading to memory corruption.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00432 37th percentileScored 2026-11-07

Fix Fixed libsmpp34 (Osmocom): 1.14.5

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

Vendor	Product	Affected versions	Fixed in	Status	Source
Osmocom	libsmpp34	1.10.0 to before 1.14.5	1.14.5	Patch available	CNA

libsmpp34 VendorOsmocom Affected 1.10.0 to before 1.14.5 Fixed in 1.14.5 Patch available CNA

Remediation

Fix · CNA libsmpp34 (Osmocom) Fixed in 1.14.5

Timeline

2026-10-02 Threatist record created from CVE-2026-75895
2026-10-03 Alias added: GHSA-fpm9-38vr-4gp8

References

Patch 1

https://cgit.osmocom.org/libsmpp34/commit/?id=af0e2912057551dab97bbe26e6a41f18a75f3bbb

TI-2026-53127 Reachable assertion at ranap_handle_co_dt() CVSS 3.1HIGH 7.5
TI-2026-53126 Heap based buffer overflow at ipaccess_proxy_read_msg() 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