TI-2026-53125 Aliases CVE-2026-75892 GHSA-mp35-rp3g-prrg

Out of bounds write in PDP ctx GSN-Address decode

LOW 35CWE-787Published 2026-09-18 · Updated 2026-09-21

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

In osmo-ggsn 1.14.0 an out of bounds write issue was found in the gtp_decode_pdp_ctx() function through the PDP context GSN-Address sub-field, leading to memory corruption.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00281 20th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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	osmo-ggsn	1.14.0	—	No fix listed	CNA

osmo-ggsn VendorOsmocom Affected 1.14.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-75892
2026-10-03 Alias added: GHSA-mp35-rp3g-prrg

References

Patch 1

https://cgit.osmocom.org/osmo-ggsn/commit/?id=6c322f4dd339401a437da3c89c95f2bf64bca995

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-2026-53126 Heap based buffer overflow at ipaccess_proxy_read_msg() CVSS 3.1HIGH 7.5

Sources

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