CVE-2026-18568

XML::Sig versions from 0.29 before 0.72 for Perl allow signature verification bypass because verify returns true when every signature was skipped before any cryptographic check. verify in lib/XML/Sig.pm counts the //dsig:Signature elements into $numsigs and iterates over them, but two paths reach...

XML External Entity (XXE) Injection

Overview Affected versions of this package are vulnerable to XML External Entity XXE Injection in the XmlDecoder file when XML input containing a DOCTYPE declaration is processed by an AsyncXMLInputFactory without security configuration, leaving DTD and entity handling enabled. An attacker can...

CVE-2026-9586

An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 104997. The /pa endpoint processes XML content beginning with and directly concatenates the user-controlled PhoneIP value into PostgreSQL queries without sanitization or parameterization. An unauthenticated...

PT-2026-60810

An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 104997. The /pa endpoint processes XML content beginning with and directly concatenates the user-controlled PhoneIP value into PostgreSQL queries without sanitization or parameterization. An unauthenticated...

CVE-2026-6653

A flaw was found in libxml2. A remote attacker can exploit a use-after-free vulnerability in the xmlParseInternalSubset function by providing maliciously crafted XML input. This improper handling of entity resolution can lead to a denial-of-service DoS, making the affected system or application...

CVE-2026-6653 libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling

Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling...

RHEL 8 : expat (RHSA-2026:22721)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:22721 advisory. Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details...

RHEL 9 : expat (RHSA-2026:23230)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:23230 advisory. Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details...

RHEL 10 : expat (RHSA-2026:22715)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:22715 advisory. Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details...

expat security update

An update is available for expat. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Expat is a C library for parsing XML documents. Security Fixes: libexpat: deni...

RLSA-2026:23230 Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages listed in the...

expat security update

An update is available for expat. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Expat is a C library for parsing XML documents. Security Fixes: libexpat: denia...

expat security update

An update is available for expat. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Expat is a C library for parsing XML documents. Security Fixes: libexpat: denia...

RLSA-2026:22721 Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages listed in the...

MiracleLinux 8 : expat-2.5.0-2.el8_10 (AXSA:2026-758:06)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-758:06 advisory. libexpat: denial of service via crafted XML input CVE-2026-45186 Tenable has extracted the preceding description block directly from the MiracleLinux security...

RockyLinux 10 : expat (RLSA-2026:22715)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:22715 advisory. libexpat: denial of service via crafted XML input CVE-2026-45186 Tenable has extracted the preceding description block directly from the RockyLinux security...

ALSA-2026:23230 Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages listed in the...

Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages listed in the...

Important: Red Hat Security Advisory: expat security update

An update for expat is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

libexpat: denial of service via crafted XML input

A flaw was found in libexpat. When processing a specially crafted XML input containing a specific pattern of attributes, the parsing time increases quadratically due to checks for attribute name collisions. This consumes excessive CPU resources and eventually results in a denial of service...