Vulnerability · Published Sep 18, 2026 · Assigned by redhat-cnalr

CVE-2026-75892Out of bounds write in PDP ctx GSN-Address decode

Medium 6.5

In plain English

A medium-severity out-of-bounds write in osmo-ggsn from Osmocom. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 79.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSosmo-ggsnno fix listedUBUNTU-CVE-2026-75892
Ubuntu:24.04:LTSosmo-ggsnno fix listedUBUNTU-CVE-2026-75892
Ubuntu:26.04:LTSosmo-ggsnno fix listedUBUNTU-CVE-2026-75892
Ubuntu:26.10osmo-ggsnno fix listedUBUNTU-CVE-2026-75892

Affected products (as reported)

VendorProductVersions
Osmocom osmo-ggsn 1.14.0

Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References