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Mozilla
Mozilla
added yesterday6 views

Security Vulnerabilities fixed in Firefox for iOS 152.4 — Mozilla

Pages with malicious titles could potentially allow saved PDF content to overwrite PDF files or bundled content within the Firefox for iOS application sandbox...

5.3CVSS6.1AI score
Exploits0References1Affected Software1
Mozilla
Mozilla
added 2026/07/05 12:0 a.m.15 views

Security Vulnerabilities fixed in Firefox for iOS 152.3 — Mozilla

A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript dialog, causing the browser UI to display the destination origin in the address bar while continuing to render attacker-controlled content...

6.3CVSS6AI score0.00132EPSS
Exploits0References1Affected Software1
Mozilla
Mozilla
added 2026/06/30 12:0 a.m.10 views

Security Vulnerabilities fixed in Firefox 152.0.4 — Mozilla

Memory safety bugs present in Firefox 152.0.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.8CVSS5.9AI score0.00232EPSS
Exploits0References2Affected Software1
Mozilla
Mozilla
added 2026/06/30 12:0 a.m.5 views

Security Vulnerabilities fixed in Thunderbird 140.12.1 — Mozilla

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. An attacker who can send HTML chat messages via Matrix ...

6.5CVSS5.9AI score0.00203EPSS
Exploits0References2Affected Software1
Mozilla
Mozilla
added 2026/06/30 12:0 a.m.7 views

Security Vulnerabilities fixed in Thunderbird 152.0.1 — Mozilla

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. An attacker who can send HTML chat messages via Matrix ...

6.5CVSS5.9AI score0.00203EPSS
Exploits0References2Affected Software1
Mozilla
Mozilla
added 2026/06/16 12:0 a.m.30 views

Security Vulnerabilities fixed in Firefox for iOS 152.0 — Mozilla

Firefox for iOS used partial domain matching when attaching cookies to PDF requests, allowing a malicious site on a suffix domain to receive cookies belonging to the target site. Firefox for iOS preserved cookies set on the initial PDF request across cross-origin HTTP redirects in...

6.5CVSS5.3AI score0.001EPSS
Exploits0References2Affected Software1
Mozilla
Mozilla
added 2026/06/16 12:0 a.m.12 views

Security Vulnerabilities fixed in Firefox 152 — Mozilla

Memory safety bugs present in Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11,...

9.8CVSS5.7AI score0.00398EPSS
Exploits0References42Affected Software1
Mozilla
Mozilla
added 2026/06/16 12:0 a.m.11 views

Security Vulnerabilities fixed in Firefox ESR 115.37 — Mozilla

Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.6CVSS5.7AI score0.00397EPSS
Exploits0References11Affected Software1
Mozilla
Mozilla
added 2026/06/16 12:0 a.m.13 views

Security Vulnerabilities fixed in Thunderbird 140.12 — Mozilla

Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in...

9.6CVSS5.7AI score0.00398EPSS
Exploits0References29Affected Software1
Mozilla
Mozilla
added 2026/06/16 12:0 a.m.15 views

Security Vulnerabilities fixed in Thunderbird 152 — Mozilla

Memory safety bugs present in Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11,...

9.8CVSS5.7AI score0.00398EPSS
Exploits0References42Affected Software1
Mozilla
Mozilla
added 2026/06/16 12:0 a.m.11 views

Security Vulnerabilities fixed in Firefox ESR 140.12 — Mozilla

Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in...

9.6CVSS5.7AI score0.00398EPSS
Exploits0References29Affected Software1
Mozilla
Mozilla
added 2026/06/09 12:0 a.m.12 views

Security Vulnerabilities fixed in Focus for iOS / Klar 151.3.1 — Mozilla

CVE-2026-11799: UXSS in Focus for iOS / Klar Webkit navigation Reporter Renwa Hiwa Impact high References Bug 1975667...

7.5CVSS5.4AI score0.00216EPSS
Exploits0References1Affected Software1
Mozilla
Mozilla
added 2026/06/02 12:0 a.m.28 views

Security Vulnerabilities fixed in Firefox 151.0.3 — Mozilla

CVE-2026-10701: Incorrect boundary conditions in the Graphics: Text component Reporter taiho kim Impact high References Bug 2038537 CVE-2026-10702: JIT miscompilation in the JavaScript Engine: JIT component Reporter Nebula Security Impact high References Bug 2040903...

7.5CVSS5.8AI score0.00301EPSS
Exploits0References2Affected Software1
Mozilla
Mozilla
added 2026/06/01 12:0 a.m.27 views

Security Vulnerabilities fixed in Firefox for iOS 151.2 — Mozilla

Firefox for iOS Reader View replaced page content in its HTML template before replacing other internal placeholders. A malicious page could include a placeholder string that was later substituted with JSON-LD data, potentially resulting in arbitrary JavaScript execution. Firefox for iOS Reader Vi...

5.4CVSS6AI score0.00157EPSS
Exploits0References2Affected Software1
Mozilla
Mozilla
added 2026/05/25 12:0 a.m.22 views

Security Vulnerabilities fixed in Firefox for iOS 151.1 — Mozilla

Firefox for iOS displayed specially crafted right-to-left RTL and internationalized domain names IDNs incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins...

5.4CVSS5.8AI score0.00199EPSS
Exploits0References1Affected Software1
Mozilla
Mozilla
added 2026/05/19 12:0 a.m.25 views

Security Vulnerabilities fixed in Firefox for iOS 151.0 — Mozilla

Firefox for iOS hosted Reader mode on an unauthenticated local web server, allowing another application on the same device to request arbitrary URLs and receive the response rendered with the signed-in user's cookies...

6.5CVSS5.9AI score0.00192EPSS
Exploits0References1Affected Software1
Mozilla
Mozilla
added 2026/05/19 12:0 a.m.14 views

Security Vulnerabilities fixed in Firefox ESR 115.36 — Mozilla

Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.8CVSS6AI score0.0056EPSS
Exploits0References7Affected Software1
Mozilla
Mozilla
added 2026/05/19 12:0 a.m.13 views

Security Vulnerabilities fixed in Firefox ESR 140.11 — Mozilla

Memory safety bugs present in Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and...

9.8CVSS6AI score0.00583EPSS
Exploits0References20Affected Software1
Mozilla
Mozilla
added 2026/05/19 12:0 a.m.26 views

Security Vulnerabilities fixed in Firefox 151 — Mozilla

Memory safety bugs present in Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Firefox ESR 140.10 and Firefox 150. Some of these bugs showed...

9.6CVSS6AI score0.00583EPSS
Exploits0References31Affected Software1
Mozilla
Mozilla
added 2026/05/19 12:0 a.m.22 views

Security Vulnerabilities fixed in Thunderbird 151 — Mozilla

Memory safety bugs present in Thunderbird 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Thunderbird 140.10 and Thunderbird 150. Some of these bugs...

9.6CVSS6AI score0.00583EPSS
Exploits0References29Affected Software1
Mozilla
Mozilla
added 2026/05/19 12:0 a.m.14 views

Security Vulnerabilities fixed in Thunderbird 140.11 — Mozilla

Memory safety bugs present in Thunderbird 140.10 and Thunderbird 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Thunderbird 140.10 and Thunderbird 150...

9.8CVSS6AI score0.00583EPSS
Exploits0References20Affected Software1
Mozilla
Mozilla
added 2026/05/12 12:0 a.m.17 views

Security Vulnerabilities fixed in Firefox 150.0.3 — Mozilla

CVE-2026-8388: Incorrect boundary conditions in the JavaScript Engine: JIT component Reporter ggwhyp Impact high References Bug 2036978 CVE-2026-8389: JIT miscompilation in the JavaScript Engine: JIT component Reporter ggwhyp Impact high References Bug 2036983 CVE-2026-8390: Use-after-free in the...

9.8CVSS5.8AI score0.00331EPSS
Exploits0References5Affected Software1
Mozilla
Mozilla
added 2026/05/08 12:0 a.m.17 views

Security Vulnerabilities fixed in Thunderbird 140.10.2 — Mozilla

Memory safety bugs present in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.8CVSS6AI score0.00446EPSS
Exploits0References3Affected Software1
Mozilla
Mozilla
added 2026/05/08 12:0 a.m.20 views

Security Vulnerabilities fixed in Thunderbird 150.0.2 — Mozilla

Memory safety bugs present in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Thunderbird 150.0.1. Some of...

8.1CVSS6AI score0.00384EPSS
Exploits0References3Affected Software1
Mozilla
Mozilla
added 2026/05/07 12:0 a.m.21 views

Security Vulnerabilities fixed in Firefox 150.0.2 — Mozilla

Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Firefox 150.0.1...

8.1CVSS6AI score0.00384EPSS
Exploits0References3Affected Software1
Mozilla
Mozilla
added 2026/05/07 12:0 a.m.17 views

Security Vulnerabilities fixed in Firefox ESR 140.10.2 — Mozilla

Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.8CVSS6AI score0.00446EPSS
Exploits0References3Affected Software1
Mozilla
Mozilla
added 2026/05/07 12:0 a.m.14 views

Security Vulnerabilities fixed in Firefox ESR 115.35.2 — Mozilla

Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.8CVSS6AI score0.00439EPSS
Exploits0References3Affected Software1
Mozilla
Mozilla
added 2026/04/30 12:0 a.m.16 views

Security Vulnerabilities fixed in Thunderbird 150.0.1 — Mozilla

Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Thunderbird ESR 140.10.0 and...

8.8CVSS5.8AI score0.00375EPSS
Exploits0References4Affected Software1
Mozilla
Mozilla
added 2026/04/30 12:0 a.m.12 views

Security Vulnerabilities fixed in Thunderbird 140.10.1 — Mozilla

Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Thunderbird ESR 140.10.0 and...

9.8CVSS5.8AI score0.00439EPSS
Exploits0References5Affected Software1
Mozilla
Mozilla
added 2026/04/28 12:0 a.m.13 views

Security Vulnerabilities fixed in Firefox ESR 115.35.1 — Mozilla

Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0 and Firefox 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

8.8CVSS5.8AI score0.00323EPSS
Exploits0References2Affected Software1
Mozilla
Mozilla
added 2026/04/28 12:0 a.m.15 views

Security Vulnerabilities fixed in Firefox 150.0.1 — Mozilla

Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0 and Firefox 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Firefox ESR...

8.8CVSS5.8AI score0.00375EPSS
Exploits0References4Affected Software1
Mozilla
Mozilla
added 2026/04/28 12:0 a.m.9 views

Security Vulnerabilities fixed in Firefox ESR 140.10.1 — Mozilla

Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0 and Firefox 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Firefox ESR...

9.8CVSS5.8AI score0.00439EPSS
Exploits0References5Affected Software1
Mozilla
Mozilla
added 2026/04/21 12:0 a.m.14 views

Security Vulnerabilities fixed in Firefox ESR 140.10 — Mozilla

Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety...

9.8CVSS6AI score0.00586EPSS
Exploits0References25Affected Software1
Mozilla
Mozilla
added 2026/04/21 12:0 a.m.23 views

Security Vulnerabilities fixed in Firefox ESR 115.35 — Mozilla

Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.8CVSS6AI score0.00586EPSS
Exploits0References10Affected Software1
Mozilla
Mozilla
added 2026/04/21 12:0 a.m.30 views

Security Vulnerabilities fixed in Firefox 150 — Mozilla

Memory safety bugs present in Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9,...

9.8CVSS6AI score0.00586EPSS
Exploits0References43Affected Software1
Mozilla
Mozilla
added 2026/04/21 12:0 a.m.13 views

Security Vulnerabilities fixed in Thunderbird 150 — Mozilla

Memory safety bugs present in Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9,...

9.8CVSS6AI score0.00586EPSS
Exploits0References42Affected Software1
Mozilla
Mozilla
added 2026/04/21 12:0 a.m.15 views

Security Vulnerabilities fixed in Thunderbird 140.10 — Mozilla

Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety...

9.8CVSS6AI score0.00586EPSS
Exploits0References25Affected Software1
Mozilla
Mozilla
added 2026/04/07 12:0 a.m.12 views

Security Vulnerabilities fixed in Thunderbird 149.0.2 — Mozilla

Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.8CVSS6AI score0.0035EPSS
Exploits0References5Affected Software1
Mozilla
Mozilla
added 2026/04/07 12:0 a.m.10 views

Security Vulnerabilities fixed in Firefox ESR 115.34.1 — Mozilla

Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.8CVSS6AI score0.0034EPSS
Exploits0References1Affected Software1
Mozilla
Mozilla
added 2026/04/07 12:0 a.m.11 views

Security Vulnerabilities fixed in Firefox ESR 140.9.1 — Mozilla

Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.8CVSS6AI score0.0035EPSS
Exploits0References3Affected Software1
Mozilla
Mozilla
added 2026/04/07 12:0 a.m.11 views

Security Vulnerabilities fixed in Thunderbird 140.9.1 — Mozilla

Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.8CVSS6AI score0.0035EPSS
Exploits0References3Affected Software1
Mozilla
Mozilla
added 2026/04/07 12:0 a.m.10 views

Security Vulnerabilities fixed in Firefox 149.0.2 — Mozilla

Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

9.8CVSS6AI score0.0035EPSS
Exploits0References5Affected Software1
Mozilla
Mozilla
added 2026/03/24 12:0 a.m.7 views

Security Vulnerabilities fixed in Firefox ESR 140.9 — Mozilla

Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in...

10CVSS5.9AI score0.00773EPSS
Exploits0References39Affected Software1
Mozilla
Mozilla
added 2026/03/24 12:0 a.m.10 views

Security Vulnerabilities fixed in Thunderbird 149 — Mozilla

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...

10CVSS6.5AI score0.00773EPSS
Exploits0References49Affected Software1
Mozilla
Mozilla
added 2026/03/24 12:0 a.m.12 views

Security Vulnerabilities fixed in Thunderbird 140.9 — Mozilla

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...

10CVSS6.5AI score0.00773EPSS
Exploits0References41Affected Software1
Mozilla
Mozilla
added 2026/03/24 12:0 a.m.13 views

Security Vulnerabilities fixed in Firefox ESR 115.34 — Mozilla

Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

10CVSS5.9AI score0.00773EPSS
Exploits0References18Affected Software1
Mozilla
Mozilla
added 2026/03/24 12:0 a.m.9 views

Security Vulnerabilities fixed in Firefox 149 — Mozilla

Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in...

10CVSS5.9AI score0.00773EPSS
Exploits0References47Affected Software1
Mozilla
Mozilla
added 2026/03/10 12:0 a.m.11 views

Security Vulnerabilities fixed in Firefox 148.0.2 — Mozilla

Memory safety bugs present in Firefox 148.0.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

8.8CVSS5.9AI score0.00442EPSS
Exploits0References3Affected Software1
Mozilla
Mozilla
added 2026/03/02 12:0 a.m.13 views

Security Vulnerabilities fixed in Focus for iOS 148.2 — Mozilla

Malicious scripts could display attacker-controlled web content under spoofed domains in Focus for iOS by stalling a self navigation to an invalid port and triggering an iframe redirect, causing the UI to display a trusted domain without user interaction...

4.3CVSS5.8AI score0.00184EPSS
Exploits0References1Affected Software1
Mozilla
Mozilla
added 2026/02/24 12:0 a.m.14 views

Security Vulnerabilities fixed in Thunderbird 148 — Mozilla

Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7,...

10CVSS5.8AI score0.00543EPSS
Exploits0References50Affected Software1
Total number of security vulnerabilities1573