CVE-2024-26134
Potential buffer overflow in CBOR2 decoder
7.5
HIGH
CVSS 3.1
EPSS 1.1%
Description
cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 8949) serialization format. Starting in version 5.5.1 and prior to version 5.6.2, an attacker can crash a service using cbor2 to parse a CBOR binary by sending a long enough object. Version 5.6.2 contains a patch for this issue.
How to fix CVE-2024-26134
To remediate CVE-2024-26134, upgrade the affected package to a fixed version below.
- —upgrade to 5.6.2-1 or later
- —upgrade to 5.6.2 or later
- —upgrade to 387755eacf0be35591a478d3c67fe10618a6d542 or later
Is CVE-2024-26134 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 5.6.2-1
- >= 5.5.1, < 5.6.2
- from 0, < 387755eacf0be35591a478d3c67fe10618a6d542, < 4de6991ba29bf2290d7b9d83525eda7d021873df, < 387755eacf0be35591a478d3c67fe10618a6d542, < 4de6991ba29bf2290d7b9d83525eda7d021873df | >= 5.5.1, < 5.6.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |