CVE-2024-51502

Panic Vulnerability in loona-hpack

MEDIUM
5.1
CVSS Score
Published: November 4, 2024 at 10:42 PM UTC
Updated: June 17, 2026 at 08:05 AM UTC
1 product affected across 1 vendorLoona

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Severity
MEDIUM5.1
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

loona is an experimental, HTTP/1.1 and HTTP/2 implementation in Rust on top of io-uring. `loona-hpack` suffers from the same vulnerability as the original `hpack` as documented in issue #11. All users who try to decode untrusted input using the Decoder are vulnerable to this exploit. This issue has been addressed in release version 0.4.3. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.4.3
Affected range stops below 0.4.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.1MEDIUMGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-755

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