Nanopb does not release memory on error return when using PB_DECODE_DELIMITED
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| nanopb | nanopb | affected |
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| Source | ID | Title |
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EUVD |
EUVD-2024-52228 | 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. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.409% probability within 30 days)
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| 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. | |
| Title | Nanopb does not release memory on error return when using PB_DECODE_DELIMITED | |
| Weaknesses | CWE-401 CWE-755 |
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cvssV3_1
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