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The Hacker News
The Hacker News
•added 2026/08/11 12:04 p.m.•22 views

Mozilla Revokes Firefox and Thunderbird Linux Signing Key After Key Lands in Private Repo

Mozilla has scrapped the cryptographic key behind Firefox and Thunderbird downloads for Linux after an unencrypted copy of it was committed by mistake to one of the company's own private code repositories. That key is how a user, or a Linux distribution packaging the browser, confirms a downloade...

5.5AI score
SaveExploits0
Tenable Nessus
Tenable Nessus
•added 2026/08/11 12:00 a.m.•11 views

RHEL 9 : thunderbird (RHSA-2026:53475)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:53475 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM:...

9.8CVSS7.1AI score0.0064EPSS
SaveExploits1References68
Tenable Nessus
Tenable Nessus
•added 2026/08/11 12:00 a.m.•14 views

RHEL 9 : thunderbird (RHSA-2026:53444)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:53444 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM:...

9.8CVSS7.1AI score0.0064EPSS
SaveExploits1References68
osv_suse
osv_suse
•added 2026/08/10 2:02 p.m.•12 views

SUSE-SU-2026:3546-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Update to Mozilla Thunderbird 140.13. - MFSA 2026-72 bsc1271649 CVE-2026-14899: Off-by-one out of bounds read in MIME header parser for forwarding CVE-2026-15718: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-15719...

9.8CVSS6.8AI score0.0064EPSS
SaveExploits1References35
Debian
Debian
•added 2026/08/10 7:56 a.m.•26 views

[SECURITY] [DLA 4727-1] thunderbird security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4727-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort August 10, 2026 https://wiki.debian.org/LTS -...

9.8CVSS6.7AI score0.0064EPSS
SaveExploits1
BDU FSTEC
BDU FSTEC
•added 2026/08/10 12:00 a.m.•18 views

Firefox Thunderbird Security Bypass

The vulnerability of the DOM component: The security of Firefox web browser and Thunderbird email client is related to the disclosure of information. Exploiting this vulnerability can allow a malicious actor to gain access to confidential data remotely...

7.8CVSS7.5AI score0.00324EPSS
SaveExploits0References13Affected Software3
BDU FSTEC
BDU FSTEC
•added 2026/08/10 12:00 a.m.•19 views

Widget Component DoS

The vulnerability of the Widget component: The Firefox web browser and Thunderbird email client have a vulnerability related to an incorrect limitation on the visible layers of the user interface. Exploiting this vulnerability could allow an attacker to cause service failures...

6.4CVSS6.2AI score0.00207EPSS
SaveExploits0References13Affected Software3
BDU FSTEC
BDU FSTEC
•added 2026/08/10 12:00 a.m.•17 views

Protection component Confidential Data Access

The vulnerability of the Protection component in the Firefox web browser and the Thunderbird email client relates to the disclosure of information. Exploiting this vulnerability can allow a malicious actor to gain access to confidential data...

7.8CVSS7.4AI score0.00253EPSS
SaveExploits0References12Affected Software3
BDU FSTEC
BDU FSTEC
•added 2026/08/10 12:00 a.m.•18 views

Graphics component WebGPU Firefox Thunderbird Confidential Data Access

The vulnerability of the Graphics component: WebGPU in the Firefox web browser and Thunderbird email client involves the disclosure of information. Exploiting this vulnerability can allow an attacker to gain access to confidential data remotely...

7.8CVSS7.4AI score0.00332EPSS
SaveExploits0References13Affected Software3
BDU FSTEC
BDU FSTEC
•added 2026/08/10 12:00 a.m.•15 views

Networking component: The JAR

Vulnerability of the Networking component: The JAR web browser Firefox and the email client Thunderbird are vulnerable due to a lack of source verification mechanism. Exploiting this vulnerability allows an attacker to gain access to confidential data and compromise its integrity...

6.5CVSS6.8AI score0.00206EPSS
SaveExploits0References13Affected Software3
BDU FSTEC
BDU FSTEC
•added 2026/08/10 12:00 a.m.•15 views

Firefox Thunderbird DoS

The vulnerability of the postMessage component in the Firefox web browser and the Thunderbird email client is related to the。 Exploiting this vulnerability can allow a malicious actor to cause service failures remotely...

6.8CVSS6.9AI score0.00252EPSS
SaveExploits0References13Affected Software3
BDU FSTEC
BDU FSTEC
•added 2026/08/10 12:00 a.m.•17 views

Cookies Component Firefox Thunderbird DoS

The vulnerability of the Cookies component in the Firefox web browser and the Thunderbird email client relates to bypassing authentication by using an alternative path or channel. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

10CVSS8.3AI score0.00285EPSS
SaveExploits0References12Affected Software3
BDU FSTEC
BDU FSTEC
•added 2026/08/10 12:00 a.m.•21 views

WebRTC Audio Video DoS

The vulnerability of the WebRTC component: The Audio/Video features in the Firefox web browser and the Thunderbird email client are related to insecure privilege management. Exploiting this vulnerability could allow a remote attacker to cause service interruptions...

10CVSS7.9AI score0.0033EPSS
SaveExploits0References13Affected Software3
Debian
Debian
•added 2026/08/09 8:55 p.m.•42 views

[SECURITY] [DLA 4726-1] ca-certificates CA certificate update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4726-1 [email protected] https://www.debian.org/lts/security/ Bastien Roucariès August 09, 2026 https://wiki.debian.org/LTS -...

5.3AI score
SaveExploits0
Tenable Nessus
Tenable Nessus
•added 2026/08/09 12:00 a.m.•43 views

Debian dla-4726 : ca-certificates - security update

The remote Debian 11 / 12 host has packages installed that are affected by a vulnerability as referenced in the dla-4726 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4726-1 [email protected]...

5.5AI score
SaveExploits0References3
Tenable Nessus
Tenable Nessus
•added 2026/08/06 12:00 a.m.•23 views

EulerOS 2.0 SP15 : ca-certificates (EulerOS-SA-2026-2877)

According to the versions of the ca-certificates package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Certifi is a curated collection of Root Certificates for validating the trustworthiness of SSL certificates while verifying the identity o...

7.5CVSS6.6AI score0.01049EPSS
SaveExploits0References2
osv_clsa
osv_clsa
•added 2026/08/04 2:52 p.m.•18 views

CLSA-2026-1771459787 TuxCare security update for org.mozilla:rhino (1 CVE)

TuxCare rebuilt org.mozilla:rhino to address 1 CVE. Fixed in 1.7.10-tuxcare.1...

7.5CVSS6.5AI score0.00271EPSS
SaveExploits0
vulnersOsv
vulnersOsv
•added 2026/08/04 11:34 a.m.•4 views

atlassian-jwt-auth (>=2.10.1, <=3.0.1), mitmproxy (>=2.0.1, <=2.0.2) +10 more potentially affected by CVE-2026-69248 via cryptography (1.8.2)

cryptography PYPI version 1.8.2 is affected by a known vulnerability. The following packages have a transitive dependency on cryptography and may be impacted: - atlassian-jwt-auth =2.10.1, =2.0.1, =0.1.2, =0.4.0, =0.0.1, =1.3.6, =2.4.6, =1.1.1, =1.4.0, =1.5.0 Source cves: CVE-2026-69248 Source...

8.3CVSS7.2AI score0.00244EPSS
SaveExploits0
RedHat Linux
RedHat Linux
•added 2026/08/04 9:17 a.m.•19 views

firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw...

4.3CVSS5.7AI score0.00323EPSS
SaveExploits1References6
RedHat Linux
RedHat Linux
•added 2026/08/04 9:17 a.m.•22 views

firefox: thunderbird: Same-origin policy bypass in the DOM: Navigation component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Navigation component...

9.8CVSS5.8AI score0.00299EPSS
SaveExploits0References6
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