CVE-2026-58226

Severity CVSS v4.0:

HIGH

Type:

Unavailable / Other

Publication date:

06/07/2026

Last modified:

06/07/2026

Description

Inefficient Algorithmic Complexity vulnerability in elixir-mint hpax allows unauthenticated denial-of-service via unbounded HPACK integer decoding.<br /> <br /> hpax decodes HPACK variable-length integers with no upper bound on the decoded value or the number of continuation octets. &#39;Elixir.HPAX.Types&#39;:decode_remaining_integer/3 accumulates the integer as int + (value

Impact

Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 8.70 HIGH
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0

8.70

Severity 4.0

HIGH

CVE-2026-58226

Description

Impact

References to Advisories, Solutions, and Tools