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.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub_MCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 73%
VendorProductVersion
agronholmcbor2
5.5.1 ≤
𝑥
< 5.6.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
cbor2
bullseye
5.2.0-4
not-affected
bookworm
5.4.6-1
not-affected
sid
5.6.5-1
fixed
trixie
5.6.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
cbor2
plucky
needs-triage
oracular
needs-triage
noble
needs-triage
mantic
ignored
jammy
needs-triage
focal
dne
bionic
dne
xenial
dne
trusty
dne
Common Weakness Enumeration
References
https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542
https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df
https://github.com/agronholm/cbor2/pull/204
https://github.com/agronholm/cbor2/releases/tag/5.6.2
https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/
https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542
https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df
https://github.com/agronholm/cbor2/pull/204
https://github.com/agronholm/cbor2/releases/tag/5.6.2
https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/