CVE-2023-23626

MEDIUM

Protocol Go-bitfield < 1.1.0 - Improper Condition Check

Title source: rule
STIX 2.1

Description

go-bitfield is a simple bitfield package for the go language aiming to be more performant that the standard library. When feeding untrusted user input into the size parameter of `NewBitfield` and `FromBytes` functions, an attacker can trigger `panic`s. This happen when the `size` is a not a multiple of `8` or is negative. There were already a note in the `NewBitfield` documentation, however known users of this package are subject to this issue. Users are advised to upgrade. Users unable to upgrade should ensure that `size` is a multiple of 8 before calling `NewBitfield` or `FromBytes`.

Scores

CVSS v3 5.9
EPSS 0.0047
EPSS Percentile 64.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-754 CWE-1284
Status published
Products (2)
ipfs/go-bitfield 0 - 1.1.0Go
protocol/go-bitfield < 1.1.0
Published Feb 09, 2023
Tracked Since Feb 18, 2026