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CVE-2021-28652

squid: denial of service issue in Cache Manager

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorrect parser validation, it allows a Denial of Service attack against the Cache Manager API. This allows a trusted client to trigger memory leaks that. over time, lead to a Denial of Service via an unspecified short query string. This attack is limited to clients with Cache Manager API access privilege.

CVSS 3.1 · 4.9 Medium EPSS 4.3% KEV · Not listed
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CVE-2021-28651

squid: denial of service in URN processing

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a buffer-management bug, it allows a denial of service. When resolving a request with the urn: scheme, the parser leaks a small amount of memory. However, there is an unspecified attack methodology that can easily trigger a large amount of memory consumption.

CVSS 3.1 · 7.5 High EPSS 7.4% KEV · Not listed
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CVE-2021-28148

grafana: usage insights API endpoint doesn't limit number of requests which could result in DoS

One of the usage insights HTTP API endpoints in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 is accessible without any authentication. This allows any unauthenticated user to send an unlimited number of requests to the endpoint, leading to a denial of service (DoS) attack against a Grafana Enterprise instance.

CVSS 3.1 · 7.5 High EPSS 3.5% KEV · Not listed
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CVE-2021-28092

nodejs-is-svg: ReDoS via malicious string

The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input for a very long time.

CVSS 3.1 · 7.5 High EPSS 2.0% KEV · Not listed
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CVE-2021-28089

Tor before 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, aka TROVE-2021-001.

CVSS 3.1 · 7.5 High EPSS 1.7% KEV · Not listed
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CVE-2021-27458

If Ethernet communication of the JTEKT Corporation TOYOPUC product series’ (TOYOPUC-PC10 Series: PC10G-CPU TCC-6353: All versions, PC10GE TCC-6464: All versions, PC10P TCC-6372: All versions, PC10P-DP TCC-6726: All versions, PC10P-DP-IO TCC-6752: All versions, PC10B-P TCC-6373: All versions, PC10B TCC-1021: All versions, PC10B-E/C TCU-6521: All versions, PC10E TCC-4737: All versions; TOYOPUC-Plus Series: Plus CPU TCC-6740: All versions, Plus EX TCU-6741: All versions, Plus EX2 TCU-6858: All versions, Plus EFR TCU-6743: All versions, Plus EFR2 TCU-6859: All versions, Plus 2P-EFR TCU-6929: All versions, Plus BUS-EX TCU-6900: All versions; TOYOPUC-PC3J/PC2J Series: FL/ET-T-V2H THU-6289: All versions, 2PORT-EFR THU-6404: All versions) are left in an open state by an attacker, Ethernet communications cannot be established with other devices, depending on the settings of the link parameters.

CVSS 3.1 · 7.5 High EPSS 1.1% KEV · Not listed
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CVE-2021-27358

grafana: snapshot feature allow an unauthenticated remote attacker to trigger a DoS via a remote API call

The snapshot feature in Grafana 6.7.3 through 7.4.1 can allow an unauthenticated remote attackers to trigger a Denial of Service via a remote API call if a commonly used configuration is set.

CVSS 3.1 · 7.5 High EPSS 83.0% KEV · Not listed
CVE-2021-27292

nodejs-ua-parser-js: ReDoS via malicious User-Agent header

ua-parser-js >= 0.7.14, fixed in 0.7.24, uses a regular expression which is vulnerable to denial of service. If an attacker sends a malicious User-Agent header, ua-parser-js will get stuck processing it for an extended period of time.

CVSS 3.1 · 7.5 High EPSS 3.4% KEV · Not listed
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Acm Jaeger Logging and 2 more
CVE-2021-27291

python-pygments: ReDoS in multiple lexers

In pygments 1.1+, fixed in 2.7.4, the lexers used to parse programming languages rely heavily on regular expressions. Some of the regular expressions have exponential or cubic worst-case complexity and are vulnerable to ReDoS. By crafting malicious input, an attacker can cause a denial of service.

CVSS 3.1 · 7.5 High EPSS 3.9% KEV · Not listed
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CVE-2021-26945

OpenEXR: Integer-overflow in bool Imf_2_5::readDeepTile<Imf_2_5::DeepTiledInputPart>

An integer overflow leading to a heap-buffer overflow was found in OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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CVE-2021-26906

An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure.

CVSS 3.1 · 5.9 Medium EPSS 2.6% KEV · Not listed
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CVE-2021-26393

hw: amd: Insufficient memory cleanup in ASP Trusted Execution Environment (TEE) may poison process contents

Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with privileges to generate a valid signed TA and potentially poison the contents of the process memory with attacker controlled data resulting in a loss of confidentiality.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Amd
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CVE-2021-26260

OpenEXR: Integer-overflow in Imf_2_5::DwaCompressor::initializeBuffers

An integer overflow leading to a heap-buffer overflow was found in the DwaCompressor of OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR. This is a different flaw from CVE-2021-23215.

CVSS 3.1 · 5.5 Medium EPSS 1.1% KEV · Not listed
CVE-2021-26111

A missing release of memory after effective lifetime vulnerability in FortiSwitch 6.4.0 to 6.4.6, 6.2.0 to 6.2.6, 6.0.0 to 6.0.6, 3.6.11 and below may allow an attacker on an adjacent network to exhaust available memory by sending specifically crafted LLDP/CDP/EDP packets to the device.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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CVE-2021-26090

A missing release of memory after its effective lifetime vulnerability in the Webmail of FortiMail 6.4.0 through 6.4.4 and 6.2.0 through 6.2.6 may allow an unauthenticated remote attacker to exhaust available memory via specifically crafted login requests.

CVSS 3.1 · 5.3 Medium EPSS 1.3% KEV · Not listed
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CVE-2021-25909

ZIV AUTOMATION 4CCT Denial of Service vulnerability

ZIV Automation 4CCT-EA6-334126BF firmware version 3.23.80.27.36371, allows an unauthenticated, remote attacker to cause a denial of service condition on the device. An attacker could exploit this vulnerability by sending specific packets to the port 7919.

CVSS 3.1 · 8.6 High EPSS 1.3% KEV · Not listed
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CVE-2021-25701

The fUSBHub driver in the PCoIP Software Client prior to version 21.07.0 had an error in object management during the handling of a variety of IOCTLs, which allowed an attacker to cause a denial of service.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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CVE-2021-25659

A vulnerability has been identified in Automation License Manager 5 (All versions), Automation License Manager 6 (All versions < V6.0 SP9 Update 2). Sending specially crafted packets to port 4410/tcp of an affected system could lead to extensive memory being consumed and as such could cause a denial-of-service preventing legitimate users from using the system.

CVSS 3.1 · 7.5 High EPSS 1.0% KEV · Not listed
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