🛡️ AZL-76155 — hvloader

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2026-22795 affecting package hvloader for versions less than 1.0.1-18

Issue summary: An invalid or NULL pointer dereference can happen in

an application processing a malformed PKCS#12 file.

Impact summary: An application processing a malformed PKCS#12 file can be

caused to dereference an invalid or NULL pointer on memory read, resulting

in a Denial of Service.

A type confusion vulnerability exists in PKCS#12 parsing code where

an ASN1_TYPE union member is accessed without first validating the type,

causing an invalid pointer read.

The location is constrained to a 1-byte address space, meaning any

attempted pointer manipulation can only target addresses between 0x00 and 0xFF.

This range corresponds to the zero page, which is unmapped on most modern

operating systems and will reliably result in a crash, leading only to a

Denial of Service. Exploiting this issue also requires a user or application

to process a maliciously crafted PKCS#12 file. It is uncommon to accept

untrusted PKCS#12 files in applications as they are usually used to store

private keys which are trusted by definition. For these reasons, the issue

was assessed as Low severity.

The FIPS modules in 3.5, 3.4, 3.3 and 3.0 are not affected by this issue,

as the PKCS12 implementation is outside the OpenSSL FIPS module boundary.

OpenSSL 3.6, 3.5, 3.4, 3.3, 3.0 and 1.1.1 are vulnerable to this issue.

OpenSSL 1.0.2 is not affected by this issue.

Affected software

AZL-76155 is recorded against 1 package.

  • hvloader (fixed in 1.0.1-18)

Timeline and source

Published on 27 January 2026 and last revised on 21 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-01-27
Updated 2026-08-12
Modified 2026-04-21
Fix URL N/A

Affected Packages

Software From version Fixed in
hvloader — 1.0.1-18

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