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ALSA-2023:3559 — Important: c-ares security update

Affected: AlmaLinux:9: c-ares, AlmaLinux:9: c-ares-devel

The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API.

Security Fix(es):

* c-ares: 0-byte UDP payload Denial of Service (CVE-2023-32067)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2023-07649

Withdrawn: BELL-CVE-2023-32067 — CVE-2023-32067 does not affect BellSoft software

Withdrawn by the publisher.

certfr-2023-avi-0499 — De multiples vulnérabilités ont été découvertes dans Tenable Nessus Network Monitor. Certaines d'entre elles permettent…

certfr-2023-avi-0499

EUVD-2026-216471

fkie_cve-2023-32067

c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service. If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously interprets the 0 length as a graceful shutdown of the connection. This issue has been patched in version 1.19.1.

gsd-2023-32067

ICSA-24-046-11 — Siemens SCALANCE XCM-/XRM-300

A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash.

This issue affects Apache HTTP Server 2.4.54 and earlier. A flaw was found in python. In algorithms with quadratic time complexity using non-binary bases, when using int("text"), a system could take 50ms to parse an int string with 100,000 digits and 5s for 1,000,000 digits (float, decimal, int.from_bytes(), and int() for binary bases 2, 4, 8, 16, and 32 are not affected). The highest threat from this vulnerability is to system availability. A flaw was found in libdnf's signature verification functionality in versions before 0.60.1. This flaw allows an attacker to achieve code execution if they can alter the header information of an RPM package and then trick a user or system into installing it. The highest risk of this vulnerability is to confidentiality, integrity, as well as system availability. An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service. A vulnerability was found in the fs/inode.c:inode_init_owner() function logic of the LInux kernel that allows local users to create…

msrc_CVE-2023-32067 — 0-byte UDP payload DoS in c-ares

msrc_CVE-2023-32067

OESA-2023-1302 — c-ares security update

Affected: openEuler:20.03-LTS-SP1: c-ares

Security Fix(es): c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service. If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously interprets the 0 length as a graceful shutdown of the connection. This issue has been patched in version 1.19.1.(CVE-2023-32067)

openSUSE-SU-2024:12951-1 — c-ares-devel-1.19.1-1.1 on GA media

c-ares-devel-1.19.1-1.1 on GA media

RHSA-2023:3583 — Red Hat Security Advisory: c-ares security update

c-ares: 0-byte UDP payload Denial of Service

SUSE-SU-2023:2477-1 — Security update for libcares2

Security update for libcares2

UBUNTU-CVE-2023-32067

Affected: Ubuntu:Pro:16.04:LTS: c-ares, Ubuntu:Pro:18.04:LTS: c-ares, Ubuntu:20.04:LTS: c-ares, Ubuntu:22.04:LTS: c-ares

WID-SEC-W-2023-1450 — Red Hat Enterprise Linux (c-ares): Schwachstelle ermöglicht Denial of Service

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux in c-ares ausnutzen, um einen Denial of Service Angriff durchzuführen.