CVE-2024-26134

HIGH
Published Feb 19, 2024 Modified Jan 2, 2025 CWE-120

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.

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CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor Product
agronholm cbor2
fedoraproject fedora
fedoraproject fedora
fedoraproject fedora

References

Other References

https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542 https://github.com/agronholm/cbor2/pull/204 https://github.com/agronholm/cbor2/releases/tag/5.6.2 https://lists.fedoraproject.org/archives/list/[email protected]/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/ https://lists.fedoraproject.org/archives/list/[email protected]/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/ https://lists.fedoraproject.org/archives/list/[email protected]/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/ https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542 https://github.com/agronholm/cbor2/pull/204 https://github.com/agronholm/cbor2/releases/tag/5.6.2 https://lists.fedoraproject.org/archives/list/[email protected]/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/

Frequently Asked Questions

What is CVE-2024-26134? +
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. It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2024-26134? +
CVE-2024-26134 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-26134? +
CVE-2024-26134 affects products from agronholm, fedoraproject, specifically: cbor2, fedora. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-26134? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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