Vulnerability · Published Sep 18, 2026 · Assigned by redhat-cnalr
CVE-2026-75895Out of bounds read at smpp34_unpack()
High 7.5
In plain English
A high-severity out-of-bounds read in libsmpp34 from Osmocom. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 62.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libsmpp34 | 1.14.1-3+deb12u1 | DEBIAN-CVE-2026-75895 |
| Debian:13 | libsmpp34 | no fix listed | DEBIAN-CVE-2026-75895 |
| Debian:14 | libsmpp34 | 1.14.6-1 | DEBIAN-CVE-2026-75895 |
| Ubuntu:22.04:LTS | libsmpp34 | no fix listed | UBUNTU-CVE-2026-75895 |
| Ubuntu:24.04:LTS | libsmpp34 | no fix listed | UBUNTU-CVE-2026-75895 |
| Ubuntu:26.04:LTS | libsmpp34 | no fix listed | UBUNTU-CVE-2026-75895 |
| Ubuntu:26.10 | libsmpp34 | no fix listed | UBUNTU-CVE-2026-75895 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N