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CVE-2021-45095

kernel: refcount leak in pep_sock_accept() in net/phonet/pep.c

pep_sock_accept in net/phonet/pep.c in the Linux kernel through 5.15.8 has a refcount leak.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
CVE-2021-45087

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader mode is used, as demonstrated by a a page title.

CVSS 3.1 · 6.1 Medium EPSS 1.6% KEV · Not listed
Vendors
CVE-2021-45086

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 because a server's suggested_filename is used as the pdf_name value in PDF.js.

CVSS 3.1 · 6.1 Medium EPSS 1.4% KEV · Not listed
Vendors
CVE-2021-45085

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an about: page, as demonstrated by ephy-about:overview when a user visits an XSS payload page often enough to place that page on the Most Visited list.

CVSS 3.1 · 6.1 Medium EPSS 1.6% KEV · Not listed
Vendors
CVE-2021-45078

binutils: out-of-bounds write in stab_xcoff_builtin_type() in stabs.c

stab_xcoff_builtin_type in stabs.c in GNU Binutils through 2.37 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated by an out-of-bounds write. NOTE: this issue exists because of an incorrect fix for CVE-2018-12699.

CVSS 3.1 · 7.8 High EPSS 1.4% KEV · Not listed
Vendors
Debian Fedoraproject Gnu and 2 more
Products
CVE-2021-44759

Improper authentication vulnerability in TLS origin verification

Improper Authentication vulnerability in TLS origin validation of Apache Traffic Server allows an attacker to create a man in the middle attack. This issue affects Apache Traffic Server 8.0.0 to 8.1.0.

CVSS 3.1 · 8.1 High EPSS 1.6% KEV · Not listed
Vendors
CVE-2021-44733

kernel: use-after-free in the TEE subsystem

A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.

CVSS 3.1 · 7.0 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2021-44731

snapd could be made to escalate privileges and run programs as administrator

A race condition existed in the snapd 2.54.2 snap-confine binary when preparing a private mount namespace for a snap. This could allow a local attacker to gain root privileges by bind-mounting their own contents inside the snap's private mount namespace and causing snap-confine to execute arbitrary code and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Products
CVE-2021-44730

snapd could be made to escalate privileges and run programs as administrator

snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Products
CVE-2021-44717

golang: syscall: don't close fd 0 on ForkExec error

Go before 1.16.12 and 1.17.x before 1.17.5 on UNIX allows write operations to an unintended file or unintended network connection as a consequence of erroneous closing of file descriptor 0 after file-descriptor exhaustion.

CVSS 3.1 · 4.8 Medium EPSS 2.0% KEV · Not listed
Vendors
Debian Golang Opengroup and 1 more
Products
Debian Linux Go Unix and 7 more
CVE-2021-44716

golang: net/http: limit growth of header canonicalization cache

net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests.

CVSS 3.1 · 7.5 High EPSS 4.3% KEV · Not listed
Vendors
Debian Golang Netapp and 1 more
Products
CVE-2021-44648

gdk-pixbuf: heap-buffer overflow when decoding the lzw compressed stream of image data

GNOME gdk-pixbuf 2.42.6 is vulnerable to a heap-buffer overflow vulnerability when decoding the lzw compressed stream of image data in GIF files with lzw minimum code size equals to 12.

CVSS 3.1 · 8.8 High EPSS 2.0% KEV · Not listed
Vendors
Products
CVE-2021-44538

The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state is partially controllable by the remote party of the channel. Attackers can construct a crafted sequence of messages to manipulate the state of the receiver's session in such a way that, for some buffer sizes, a buffer overflow happens on a call to olm_session_describe. Furthermore, safe buffer sizes were undocumented. The overflow content is partially controllable by the attacker and limited to ASCII spaces and digits. The known affected products are Element Web And SchildiChat Web.

CVSS 3.1 · 9.8 Critical EPSS 2.0% KEV · Not listed
Vendors
Products
CVE-2021-44420

django: potential bypass of an upstream access control based on URL paths

In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requests for URLs with trailing newlines could bypass upstream access control based on URL paths.

CVSS 3.1 · 7.3 High EPSS 2.4% KEV · Not listed
Vendors
Products
CVE-2021-44227

mailman: CSRF token bypass allows to perform CSRF attacks and admin takeover

In GNU Mailman before 2.1.38, a list member or moderator can get a CSRF token and craft an admin request (using that token) to set a new admin password or make other changes.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2021-44224

Possible NULL dereference or SSRF in forward proxy configurations in Apache HTTP Server 2.4.51 and earlier

A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included).

CVSS 3.1 · 8.2 High EPSS 82.3% KEV · Not listed
Vendors
Apache Apple Debian and 4 more
Products
Http Server Mac Os X Macos and 12 more