cve.bz

CVE-2024-26134

7.5 highEPSS 1.2%

High (7.5). EPSS 1.2% chance of exploitation in the next 30 days. Fixed in cbor2 5.6.2.

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE
CWE-120
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-375g-39jq-vq7mPyPIcbor2>=5.5.1 <5.6.25.6.2
PYSEC-2024-155PyPIcbor2>=5.5.1 <5.6.25.6.2

References

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