compliance-trestle has an URLSecurityValidator SSRF allowlist bypass via IPv4-mapped IPv6 and 0.0.0.0

Summary compliance-trestle 4.0.3 latest ships an URLSecurityValidator in trestle/core/remote/security.py to block SSRF to loopback / link-local / cloud-metadata endpoints from the HTTPSFetcher and SFTPFetcher remote-fetch paths. The allowlist is incomplete and can be bypassed by four equivalent...

Server-side Request Forgery (SSRF)

Overview compliance-trestle is a Tools to manage & autogenerate python objects representing the OSCAL layers/models Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the validateurl function in trestle/core/remote/security.py via IPv4-mapped IPv6 addresses an...

CVE-2026-19566

Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths. The encode method accepts any prefix length matching 0|1-90-9 and passes it to width2bits, which builds the mask as '1' x $width + 8, one character per bit. The inc...

UBUNTU-CVE-2026-19566

Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths. The encode method accepts any prefix length matching 0|1-90-9 and passes it to width2bits, which builds the mask as '1' x $width + 8, one character per bit. The inc...

CVE-2026-19566

Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths. The encode method accepts any prefix length matching 0|1-90-9 and passes it to width2bits, which builds the mask as '1' x $width + 8, one character per bit. The inc...

CVE-2026-19566

The Net::CIDR::Set Perl module (versions prior to 0.23 ) is vulnerable to memory exhaustion and malformed set ranges due to unbounded IPv6 prefix lengths. The _encode method accepts any prefix length matching (0|[1-9][0-9]*), which _width2bits() uses to build a mask. Because _inc() unpacks this m...

CVE-2026-19566 Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths

Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths. The encode method accepts any prefix length matching 0|1-90-9 and passes it to width2bits, which builds the mask as '1' x $width + 8, one character per bit. The inc...

CVE-2026-19566 Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths

Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths. The encode method accepts any prefix length matching 0|1-90-9 and passes it to width2bits, which builds the mask as '1' x $width + 8, one character per bit. The inc...

EUVD-2026-57150

Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths. The encode method accepts any prefix length matching 0|1-90-9 and passes it to width2bits, which builds the mask as '1' x $width + 8, one character per bit. The inc...

Moderate: Red Hat Security Advisory: dhcpcd security update

An update for dhcpcd is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length IPv6 ND option in Router Advertisement handling

A flaw was found in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. A specially crafted IPv6 Router Advertisement containing a zero-length Neighbor Discovery option can bypass validation during packet storage and later be reparsed without adequate validation, causing the parser ...

net/url: Incorrect parsing of IPv6 host literals in net/url

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...

grafana: Grafana Auth Proxy: Unauthorized access due to incorrect IPv6 allow-list default

A flaw in Grafana's Auth Proxy IPv6 allow-list incorrectly defaults to a broad /32 subnet mask instead of a strict /128. This misconfiguration allows remote attackers to bypass access restrictions, potentially leading to unauthorized access and data manipulation...

ALSA-2026:54210 Moderate: dhcpcd security update

The dhcpcd package provides a minimalistic network configuration daemon that supports IPv4 and IPv6 configuration including configuration discovery through NDP, DHCPv4 and DHCPv6 protocols. Security Fixes: dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length IPv6 ND option in Route...

CVE-2026-19566: Improper Validation of Specified Quantity in Input

Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths. The encode method accepts any prefix length matching 0|1-90-9 and passes it to width2bits, which builds the mask as '1' x $width + 8, one character per bit. The inc...

RHEL 10 : dhcpcd (RHSA-2026:54210)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:54210 advisory. The dhcpcd package provides a minimalistic network configuration daemon that supports IPv4 and IPv6 configuration including configuration discovery...

RHEL 10 : grafana (RHSA-2026:54178)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:54178 advisory. Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB. Security Fixes: grafana:...

Linux Distros Unpatched Vulnerability : CVE-2026-73213

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.16.0, addrlesseq in src/client/nsturnioaddr.c uses a component-wise comparison f...

PT-2026-76563

Name of the Vulnerable Software and Affected Versions compliance-trestle versions prior to 4.0.4 Description An incomplete allowlist in the URLSecurityValidator within trestle/core/remote/security.py allows Server-Side Request Forgery SSRF via the HTTPSFetcher and SFTPFetcher remote-fetch paths...

PT-2026-71332

Name of the Vulnerable Software and Affected Versions open-iscsi affected versions not specified Description A flaw in the iscsiuio component involves an integer underflow and out-of-bounds read during the parsing of Dynamic Host Configuration Protocol for IPv6 DHCPv6 packets. An unauthenticated...