Ubuntu Security Notice 5186-2 - USN-5186-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, conduct spoofing attacks, bypass CSP restrictions, or execute arbitrary code. A security issue was discovered with the handling of WebExtension permissions. If a user were tricked into installing a specially crafted extension, an attacker could potentially exploit this to create and install a service worker that wouldn't be uninstalled with the extension. Various other issues were also addressed.
71f03a3798d3b2136f7ae62ff10ef21526eb028ad4aa002d8298173d9df59667Ubuntu Security Notice 5186-1 - Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, conduct spoofing attacks, bypass CSP restrictions, or execute arbitrary code. A security issue was discovered with the handling of WebExtension permissions. If a user were tricked into installing a specially crafted extension, an attacker could potentially exploit this to create and install a service worker that wouldn't be uninstalled with the extension. Various other issues were also addressed.
d44d136059fcda89f1c96e0aa8cb1ab7bc80a28edd13ec2a2a32a862b61d0c3fRed Hat Security Advisory 2012-5055-03 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 91.4.0. Issues addressed include buffer overflow, bypass, denial of service, and spoofing vulnerabilities.
61b4bec841e680bb9a5571f36321dbeaf52b939212f9b957e57c9c5429cb53aaRed Hat Security Advisory 2021-5047-02 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 91.4.0. Issues addressed include buffer overflow, bypass, denial of service, and spoofing vulnerabilities.
84513c296e1cb665f608c46256ab2a785c7a5175879460d7d82c607fa6b170feRed Hat Security Advisory 2021-5045-02 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 91.4.0. Issues addressed include buffer overflow, bypass, denial of service, and spoofing vulnerabilities.
999201abc31c40fe215c9fd3147adcfdee8840b27a3cbba9ac01e6553978ad41Red Hat Security Advisory 2021-5045-02 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 91.4.0. Issues addressed include buffer overflow, bypass, denial of service, and spoofing vulnerabilities.
999201abc31c40fe215c9fd3147adcfdee8840b27a3cbba9ac01e6553978ad41Red Hat Security Advisory 2021-5048-02 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 91.4.0. Issues addressed include buffer overflow, bypass, denial of service, and spoofing vulnerabilities.
52ee01bf4f97804e4815795bc2c04f34e9d1688b14476900aff6d01a8d3e1d87Red Hat Security Advisory 2021-5046-03 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 91.4.0. Issues addressed include buffer overflow, bypass, denial of service, and spoofing vulnerabilities.
ee077d75c706a7539579ac412e98e5621f6c04a089dd2ee6f67bcb62dc92c562Red Hat Security Advisory 2021-5014-03 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.4.0 ESR. Issues addressed include buffer overflow, bypass, denial of service, and spoofing vulnerabilities.
3ad3d6fd9a22c00f038c29177aaf8973eacea6c838d7d00dfc4cc7e048d4a63dRed Hat Security Advisory 2021-5017-03 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.4.0 ESR. Issues addressed include buffer overflow, bypass, denial of service, and spoofing vulnerabilities.
c0dc1d21afc67be61db33c6d32fb7097af1bab16682e5b1f9056b5b9214460ceRed Hat Security Advisory 2021-5016-03 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.4.0 ESR. Issues addressed include buffer overflow, bypass, denial of service, and spoofing vulnerabilities.
d270e2edb8cf44801a3f262428601f6743fd5ebf1de5221bfaca2d4922230ac2Red Hat Security Advisory 2021-5015-03 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.4.0 ESR. Issues addressed include buffer overflow, bypass, denial of service, and spoofing vulnerabilities.
e41e1e1e328dc2d3c026fc64de1fe70718e8d6c17628738e37e19c4532600a89Red Hat Security Advisory 2021-5013-03 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.4.0 ESR. Issues addressed include buffer overflow, bypass, denial of service, and spoofing vulnerabilities.
51359e4164ec2d20bffc21b3cd50b530e8fef1f157daba7910999bb57b8c1773
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