Vproxy Proxy Authorization DoS

The vulnerability of the HTTP Proxy-Authorization header of the Vproxy proxy server is related to the lack of zero-division checking. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

TencentOS Server 4: python-urllib3 (TSSA-2024:0551)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:0551 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

TencentOS Server 3: python3.11-urllib3 (TSSA-2024:0797)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:0797 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

Astra Linux – Vulnerability in curl

Successfully using libcurl to perform a transfer over a specific HTTP proxy proxyA with Digest authentication. Then, changing the proxy host to another one proxyB for a second transfer, while reusing the same handle, causes libcurl to incorrectly pass the Proxy-Authorization: header field meant f...

EUVD-2009-0615

Malware in sbrugna...

EUVD-2014-0098

Malware in sbrugna...

EUVD-2023-0227

Malicious code in bioql PyPI...

Security Bulletin: urllib3 Proxy-Authorization header only applies with ProxyManager, not direct requests

Summary urllib3 is a user-friendly HTTP client library for Python. When using urllib3's proxy support with ProxyManager, the Proxy-Authorization header is only sent to the configured proxy, as expected. However, when sending HTTP requests without using urllib3's proxy support, it's possible to...

OESA-2025-2339 python-pip security update

pip is the package installer for Python. You can use pip to install packages from the Python Package Index and other indexes. %global bashcompdir %b=$pkg-config --variable=completionsdir bash-completion 2/dev/null; echo $b:-/bashcompletion.d Name: python-pip Version: 23.3.1 Release: 5 Summary: A...

OESA-2025-2068 restic security update

restic is a backup program. It supports verification, encryption, snapshots and deduplication. Security Fixes: Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.CVE-2025-4673...

OESA-2025-2067 restic security update

restic is a backup program. It supports verification, encryption, snapshots and deduplication. Security Fixes: Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.CVE-2025-4673...

CLSA-2025-1755115606 golang: Fix of CVE-2025-4673

CVE-2025-4673: remove Proxy-Authorization and Proxy-Authenticate headers from cross-origin redirects to prevent sensitive information leakage...

CVE-2025-54581

vproxy CVE-2025-54581 affects versions 2.3.3 and earlier, where untrusted data from the HTTP Proxy-Authorization header can be parsed as a TTL value. If ttl is 0 (e.g., via a username like 'configuredUser-ttl-0'), the modulo operation timestamp % ttl causes a division-by-zero panic, leading to a ...

CVE-2025-54581 vproxy is vulnerable to a divide by zero DoS attack

vproxy is an HTTP/HTTPS/SOCKS5 proxy server. In versions 2.3.3 and below, untrusted data is extracted from the user-controlled HTTP Proxy-Authorization header and passed to Extension::tryfrom and flows into parsettlextension where it is parsed as a TTL value. If an attacker supplies a TTL of zero...

vproxy 数字错误漏洞

vproxy is a high performance HTTP/HTTPS/SOCKS5 proxy server software by 0x676e67 individual developer. A numeric error vulnerability exists in vproxy 2.3.3 and earlier versions, which stems from the handling of the Proxy-Authorization header that can lead to a divide-by-zero crash, resulting in a...

CVE-2025-54581: Divide By Zero

vproxy is an HTTP/HTTPS/SOCKS5 proxy server. In versions 2.3.3 and below, untrusted data is extracted from the user-controlled HTTP Proxy-Authorization header and passed to Extension::tryfrom and flows into parsettlextension where it is parsed as a TTL value. If an attacker supplies a TTL of zero...

OESA-2025-1766 etcd security update

%expand: Security Fixes: Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.CVE-2025-4673...

Medium: oci-add-hooks

Issue Overview: Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information. CVE-2025-4673 Affected Packages: oci-add-hooks Note: This advisory is applicable to Amazon Linux 2 - Nitro-enclaves Extra. Visit this page to learn mor...

Astra Linux – Vulnerability in requests

Requests is an HTTP library. Since Requests 2.3.0, Requests has been leaking Proxy-Authorization headers to destination servers when redirected to an HTTPS endpoint. This issue arises due to the way we use rebuildproxies to reattach the Proxy-Authorization header to requests. For HTTP connections...

TencentOS Server 3: python3.12-urllib3 (TSSA-2024:0793)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:0793 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...