CVE-2022-25236

CVE-2022-25236 (Expat/libexpat) affects Expat before 2.4.5, where attackers can insert namespace-separator characters into namespace URIs in xmlparse.c. The issue can enable attacker-controlled input to trigger a denial of service or, in certain contexts (e.g., misuse of xmlns[:prefix] attribute ...

CVE-2022-25236

xmlparse.c in Expat aka libexpat before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs...

CVE-2022-25235

xmltokimpl.c in Expat aka libexpat before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context...

Debian DSA-5073-1 : expat - security update

The remote Debian 10 / 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5073 advisory. - In Expat aka libexpat before 2.4.3, a left shift by 29 or more places in the storeAtts function in xmlparse.c can lead to realloc misbehavior e.g.,...

AlmaLinux 8 : expat (ALSA-2020:4484)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2020:4484 advisory. - In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount o...

Mageia: Security Advisory (MGASA-2022-0031)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

ALPINE-CVE-2022-23990

Expat aka libexpat before 2.4.4 has an integer overflow in the doProlog function...

CVE-2022-23990

Expat aka libexpat before 2.4.4 has an integer overflow in the doProlog function...

CVE-2022-23990

CVE-2022-23990 affects Expat (libexpat) before 2.4.4. The issue is an integer overflow in doProlog, leading to denial of service and potential exploitation. Advisories from AlmaLinux and Amazon Linux indicate remediation via upgrading expat to a fixed version (e.g., Expats newer than 2.4.4; ALAS ...

Updated expat packages fix security vulnerability

In Expat aka libexpat before 2.4.3, a left shift by 29 or more places in the storeAtts function in xmlparse.c can lead to realloc misbehavior e.g., allocating too few bytes, or only freeing memory. CVE-2021-45960 In doProlog in xmlparse.c in Expat aka libexpat before 2.4.3, an integer overflow...

Denial Of Service (DoS)

libexpat.so is vulnerable to denial of service. The vulnerability exists due to the integer overflow in the XMLGetBuffer function of xmlparse.c. as it does not properly check INTMAX byte length against the XMLCONTEXTBYTES, allowing an attacker to cause an application crash through the configurati...

CVE-2022-22823

expat libexpat is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag can libexpat can terminate unexpectedly due to integer overflow. The highest threat from this vulnerability is to availability,...

CVE-2021-46143

expat libexpat is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag can libexpat can terminate unexpectedly due to integer overflow. The highest threat from this vulnerability is to availability,...

CVE-2022-22822

expat libexpat is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag libexpat can terminate unexpectedly due to integer overflow. The highest threat from this vulnerability is to availability confidentiality a...

CVE-2022-23852

Expat aka libexpat before 2.4.4 has a signed integer overflow in XMLGetBuffer, for configurations with a nonzero XMLCONTEXTBYTES...

Integer overflow

Expat aka libexpat before 2.4.4 has a signed integer overflow in XMLGetBuffer, for configurations with a nonzero XMLCONTEXTBYTES...

CVE-2022-23852

Expat aka libexpat before 2.4.4 has a signed integer overflow in XMLGetBuffer, for configurations with a nonzero XMLCONTEXTBYTES...

CVE-2022-23852

Expat aka libexpat before 2.4.4 has a signed integer overflow in XMLGetBuffer, for configurations with a nonzero XMLCONTEXTBYTES...

CVE-2022-23852

Expat (libexpat) contains a signed integer overflow in XML_GetBuffer when XML_CONTEXT_BYTES is nonzero (CVE-2022-23852). IV was observed in multiple advisories and bulletins; the issue can lead to arbitrary code execution or crash if exploited. A fix exists in expat 2.4.4 and later; affected dist...

libexpat 输入验证错误漏洞

libexpat is a streaming XML parser written in the C language. An input validation error vulnerability exists in Libexpat that stems from the product's XMLGetBuffer not effectively limiting the range of signed integers. An attacker could cause a buffer overflow by configuring a special XML byte. T...