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CVE-2026-82728: CWE-770 Allocation of Resources Without Limits or Throttling in elixir-mint mint

0
High
VulnerabilityCVE-2026-82728cvecve-2026-82728cwe-770
Published: 09/04/2026 (09/04/2026, 14:31:30 UTC)
Source: CVE Database V5
Vendor/Project: elixir-mint
Product: mint

Description

Allocation of Resources Without Limits or Throttling vulnerability in elixir-mint mint allows a remote HTTP server to exhaust memory on the client host and cause a denial of service. Two HTTP/1 response-parser states accumulate server data without any cap. In lib/mint/http1.ex, decode_status_line/4 stores the unconsumed data in conn.buffer when the status line is incomplete, and decode_body/5 does the same for an unterminated chunk-extension line. Both wait for a CRLF the server never has to send, and conn.buffer is prepended to every subsequent socket message. The :max_header_list_size budget is wired only into decode_headers/5 and decode_trailer_headers/4, so neither of these states is covered by it. A malicious server, or one reached through an attacker-controlled redirect or a fetched URL, streams bytes indefinitely until the BEAM node is killed by the operating system out-of-memory handler. The chunk-extension variant is reached after a valid status line and a complete, valid header section, so an intermediary inspecting only headers sees an ordinary 200 response. This issue affects mint: from 0.1.0 before 1.10.0.

CVSS v4.0

Score 8.2high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected software

mint
pkg:hex/mint
Affected versions
>=0.1.0 <1.10.0
GitHub Actionsmore threats →cve
elixir-mint/mint
pkg:github/elixir-mint/mint
CPE configurations
cpe:2.3:a:elixir-mint:mint:*:*:*:*:*:*:*:*

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Data Version
5.2
Assigner Short Name
EEF
Date Reserved
2026-08-31T00:59:08.960Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a9adb41acd9273b49bef20b

Added to database: 09/04/2026, 14:52:49 UTC

Last updated: 09/04/2026, 23:22:31 UTC

Views: 7

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