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CVE-2021-28041

openssh: double-free memory corruption may lead to arbitrary code execution

ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.

CVSS 3.1 · 7.1 High EPSS 3.5% KEV · Not listed
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CVE-2020-8286

curl: Inferior OCSP verification

curl 7.41.0 through 7.73.0 is vulnerable to an improper check for certificate revocation due to insufficient verification of the OCSP response.

CVSS 3.1 · 7.5 High EPSS 4.6% KEV · Not listed
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CVE-2020-8285

curl: Malicious FTP server can trigger stack overflow when CURLOPT_CHUNK_BGN_FUNCTION is used

curl 7.21.0 to and including 7.73.0 is vulnerable to uncontrolled recursion due to a stack overflow issue in FTP wildcard match parsing.

CVSS 3.1 · 7.5 High EPSS 9.8% KEV · Not listed
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CVE-2021-43818

HTML Cleaner allows crafted and SVG embedded scripts to pass through

lxml is a library for processing XML and HTML in the Python language. Prior to version 4.6.5, the HTML Cleaner in lxml.html lets certain crafted script content pass through, as well as script content in SVG files embedded using data URIs. Users that employ the HTML cleaner in a security relevant context should upgrade to lxml 4.6.5 to receive a patch. There are no known workarounds available.

CVSS 3.1 · 8.2 High EPSS 2.6% KEV · Not listed
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Debian Linux Fedora Lxml and 13 more
CVE-2020-11868

ntp: DoS on client ntpd using server mode packet

ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp.

CVSS 3.1 · 7.5 High EPSS 2.1% KEV · Not listed
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Debian Netapp Ntp and 2 more