Upstream information
Description
Nanopb is a small code-size Protocol Buffers implementation. When the compile time option PB_ENABLE_MALLOC is enabled, the message contains at least one field with FT_POINTER field type, custom stream callback is used with unknown stream length. and the pb_decode_ex() function is used with flag PB_DECODE_DELIMITED, then the pb_decode_ex() function does not automatically call pb_release(), like is done for other failure cases. This could lead to memory leak and potential denial-of-service. This vulnerability is fixed in 0.4.9.1.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having moderate severity.
| CVSS detail | CNA (GitHub) |
|---|---|
| Base Score | 4.3 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Low |
| CVSSv3 Version | 3.1 |
SUSE Security Advisories:
- openSUSE-SU-2024:0400-1, published Mon Dec 9 16:50:22 2024
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| SUSE Package Hub 15 SP5 |
| Patchnames: openSUSE-2025-40 |
| SUSE Package Hub 15 SP6 |
| Patchnames: openSUSE-2024-400 |
| openSUSE Leap 15.5 |
| Patchnames: openSUSE-2025-40 |
| openSUSE Leap 15.6 |
| Patchnames: openSUSE-2024-400 |
SUSE Timeline for this CVE
CVE page created: Mon Dec 2 18:01:14 2024CVE page last modified: Mon Oct 6 20:02:17 2025