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CVE-2024-26134

7.5 · HIGH

cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 8949) serialization format.

Published Feb 19, 2024CWE-120EPSS 1.18%

Overview

CVE-2024-26134 is a high-severity vulnerability. It was published on February 19, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542GitHubgithub.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873dfGitHubgithub.com/agronholm/cbor2/pull/204GitHubgithub.com/agronholm/cbor2/releases/tag/5.6.2GitHubgithub.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7mReflists.fedoraproject.org/archives/list/[email protected]/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/Reflists.fedoraproject.org/archives/list/[email protected]/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/Reflists.fedoraproject.org/archives/list/[email protected]/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/GitHubgithub.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542GitHubgithub.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df

How CyberStrike helps

Frequently asked questions

What is CVE-2024-26134?

CVE-2024-26134 is a high-severity vulnerability. It was published on February 19, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-26134?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-26134?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-26134?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-26134 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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