CVE-2024-5986

A vulnerability in h2oai/h2o-3 version 3.46.0.1 allows remote attackers to write arbitrary data to any file on the server. This is achieved by exploiting the /3/Parse endpoint to inject attacker-controlled data as the header of an empty file, which is then exported using the...

EUVD-2024-55393

A vulnerability in h2oai/h2o-3 version 3.46.0.1 allows remote attackers to write arbitrary data to any file on the server. This is achieved by exploiting the /3/Parse endpoint to inject attacker-controlled data as the header of an empty file, which is then exported using the...

CVE-2024-5986

A vulnerability in h2oai/h2o-3 version 3.46.0.1 allows remote attackers to write arbitrary data to any file on the server. This is achieved by exploiting the /3/Parse endpoint to inject attacker-controlled data as the header of an empty file, which is then exported using the...

CVE-2024-5986 Remote Arbitrary File Write with Arbitrary Data in h2oai/h2o-3

A vulnerability in h2oai/h2o-3 version 3.46.0.1 allows remote attackers to write arbitrary data to any file on the server. This is achieved by exploiting the /3/Parse endpoint to inject attacker-controlled data as the header of an empty file, which is then exported using the...

CVE-2024-5986 Remote Arbitrary File Write with Arbitrary Data in h2oai/h2o-3

A vulnerability in h2oai/h2o-3 version 3.46.0.1 allows remote attackers to write arbitrary data to any file on the server. This is achieved by exploiting the /3/Parse endpoint to inject attacker-controlled data as the header of an empty file, which is then exported using the...

CVE-2024-5986

CVE-2024-5986 affects h2oai/h2o-3 in version 3.46.0.1, where remote attackers can write arbitrary data to any file on the server by abusing the /3/Parse endpoint to inject data as the header of an empty file, then exporting it via /3/Frames/framename/export. This can lead to remote code execution...

PT-2026-5651

Name of the Vulnerable Software and Affected Versions h2o-3 version 3.46.0.1 Description A flaw exists in h2o-3 that permits remote attackers to write arbitrary data to any file on the server. The issue is due to exploiting the /3/Parse API endpoint to inject attacker-controlled data as the heade...

H2O has an External Control of File Name or Path vulnerability

A vulnerability in h2oai/h2o-3 version 3.46.0.1 allows remote attackers to write arbitrary data to any file on the server. This is achieved by exploiting the /3/Parse endpoint to inject attacker-controlled data as the header of an empty file, which is then exported using the...

H2O-3 PostgreSQL Driver RCE - Bypassing CVE-2025-6544 Mitigation

Description A critical remote code execution vulnerability exists in the unauthenticated REST API endpoint /99/ImportSQLTable in H2O-3 version 3.46.0.9 and prior. The current security mitigation implemented in H2O-3 relies on a parameter blacklist mechanism that exclusively targets MySQL JDBC...

Insyde InsydeH2O 安全漏洞

Insyde InsydeH2O is a new EFI/UEFI specification from Insyde, China. It is intended to replace the traditional BIOS Basic Input/Output System. A security vulnerability exists in Insyde InsydeH2O, which stems from a buffer overflow that can be caused by untrusted user-mode applications when readin...

CVE-2023-50247

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. The QUIC stack quicly, as used by H2O up to commit 43f86e5 in version 2.3.0-beta and prior, is susceptible to a state exhaustion attack. When H2O is serving HTTP/3, a remote attacker can exploit this vulnerability to progressivel...

CVE-2022-35894

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The SMI handler for the FwBlockServiceSmm driver uses an untrusted pointer as the location to copy data to an attacker-specified buffer, leading to information disclosure...

ai.catboost:catboost-spark_4.0_2.13 (=1.2.10), ai.catboost:catboost-spark_4.1_2.13 (=1.2.10) +541 more potentially affected by CVE-2025-67721 via io.airlift:aircompressor (=2.0.2)

io.airlift:aircompressor MAVEN version =2.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on io.airlift:aircompressor and may be impacted: - ai.catboost:catboost-spark4.02.13 =1.2.10 - ai.catboost:catboost-spark4.12.13 =1.2.10 - ai.h2o:h2o-orc-parser...

Insyde InsydeH2O 安全漏洞

Insyde InsydeH2O is a new EFI/UEFI specification from Insyde China. It is intended to replace the traditional BIOS Basic Input/Output System. A security vulnerability exists in Insyde InsydeH2O, which stems from unchecked output buffers and could lead to arbitrary code execution and SMM memory...

Ubuntu 20.04 LTS / 22.04 LTS : H2O vulnerability (USN-7892-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-7892-1 advisory. It was discovered that H2O exhibited poor server resource management in its HTTP/2 protocol. An attacker could possibly use this issue to cause H2O to...

Ubuntu: Security Advisory (USN-7892-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-7892-1: H2O vulnerability

It was discovered that H2O exhibited poor server resource management in its HTTP/2 protocol. An attacker could possibly use this issue to cause H2O to crash, resulting in a denial of service...

USN-7892-1 h2o vulnerability

It was discovered that H2O exhibited poor server resource management in its HTTP/2 protocol. An attacker could possibly use this issue to cause H2O to crash, resulting in a denial of service...

Deserialization Of Untrusted Data

h2o is vulnerable to Deserialization Of Untrusted Data. The vulnerability is due to improper handling of JDBC connection parameters with insufficient input validation, which allows an attacker to bypass regular expression checks using double URL encoding and subsequently read arbitrary files or...

ai.catboost:catboost-spark_3.5_2.12 (>=1.2.3 <=1.2.10), ai.djl.spark:spark_2.12 (=0.29.0) +268 more potentially affected by CVE-2025-55039 via org.apache.spark:spark-network-common_2.12 (>=3.5.0 <=3.5.1)

org.apache.spark:spark-network-common2.12 MAVEN version =3.5.0, =1.2.3, =3.44.0.1-1-3.5, =7.0.0, =7.0.0, =7.0.0, =7.0.0, =7.0.0, =7.0.0, =0.6.17, =0.0.3, =14.0.0, =14.0.0, =14.0.0, =14.17.3 - bio.ferlab:obo-parser2.12 =1.3.1 and more Source cves: CVE-2025-55039 Source advisory:...