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CVE-2020-26968

Status Candidate

Overview

Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. 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. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Related Files

Gentoo Linux Security Advisory 202012-04
Posted Dec 7, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202012-4 - Multiple vulnerabilities have been found in Mozilla Thunderbird, the worst of which could lead to the execution of arbitrary code. Versions less than 78.5.1 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2020-15999, CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968, CVE-2020-26970
SHA-256 | ab9e7a2e76c996df0e3907c1b46c919a8930419ea081e83116964f27249ecc34
Gentoo Linux Security Advisory 202012-03
Posted Dec 7, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202012-3 - Multiple vulnerabilities have been found in Mozilla Firefox, the worst of which could result in the arbitrary execution of code. Versions less than 83 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | b868f28b462d761f8b08f1140d572ffaf63db443d5c1e51250e074b9e6f8c5ea
Red Hat Security Advisory 2020-5314-01
Posted Dec 1, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5314-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.5.0 ESR. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, web, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | d3e64b5f34c545825cf7a28e0eb05fd6fa84fdefbaa3bcadd91c24bd7a984d3c
Red Hat Security Advisory 2020-5239-01
Posted Dec 1, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5239-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.5.0 ESR. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, web, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | 5784174223d043548cde7c7f5a4b37e4646b75881f00e6410680152bfee3347d
Red Hat Security Advisory 2020-5257-01
Posted Dec 1, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5257-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.5.0 ESR. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, web, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | 2e77a30b9dc5798836c85340ef1a8785489383393433e2bb2a3d2e6907e5600a
Red Hat Security Advisory 2020-5235-01
Posted Dec 1, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5235-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.5.0. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | e9d221e9d272aab62b3d9b00e1bede4810a563dcb5e1ab1cbffc11e86d80195e
Red Hat Security Advisory 2020-5237-01
Posted Nov 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5237-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.5.0 ESR. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, web, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | 57cad10063be658cb01b40344f1ad6de810ff1e15e20a993ecfcc28448f759e1
Red Hat Security Advisory 2020-5234-01
Posted Nov 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5234-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.5.0 ESR. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, web, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | 56a7aaae67fca7cf1fb4905b8e07ce739d03cdd7e0e5cabd3e6691ae9b21858d
Red Hat Security Advisory 2020-5238-01
Posted Nov 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5238-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.5.0. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | 50f8fb4cf381922ef83015a992552c89cbe69136e3bd080950d07fb991e65ab6
Red Hat Security Advisory 2020-5232-01
Posted Nov 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5232-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.5.0. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | 88a44607c57b98c876449dd8089e544a06bf86c3c2aeb96f87303392cba309c9
Red Hat Security Advisory 2020-5236-01
Posted Nov 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5236-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.5.0. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | 3046ebe6153884a7d29f17605a3b9ce5d760dc34bcc9e739e8bfdb2ba6e06bc8
Red Hat Security Advisory 2020-5233-01
Posted Nov 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5233-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.5.0 ESR. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, web, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | 2bf1ef8c7259b1117c47ded67c3739d8ca63c88e7ba3d72755b4da561783a12d
Red Hat Security Advisory 2020-5231-01
Posted Nov 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5231-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.5.0. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | c63cd2952bedf3fa793472bc4ed8730291d520bcb536a8b8d04c5df1ac898497
Red Hat Security Advisory 2020-5240-01
Posted Nov 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5240-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.5.0. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | ecb9877a2135e9524189a54b08fdaf7d480122f8b8bf90f25ee02d1b43e81625
Debian Security Advisory 4793-1
Posted Nov 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4793-1 - Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, information disclosure, phishing, cross-site scripting or a DNS rebinding attack.

tags | advisory, web, arbitrary, xss, info disclosure
systems | linux, debian
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | 7a7bef45311620bafb2f5c889b4c7cfed77fb009b5027cf57f1768378ba7c955
Debian Security Advisory 4796-1
Posted Nov 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4796-1 - Multiple security issues have been found in Thunderbird, which may lead to the execution of arbitrary code or denial of service.

tags | advisory, denial of service, arbitrary
systems | linux, debian
advisories | CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968
SHA-256 | 5850e3a36ebaa0db9e00ff05e35bb5e379b48d097c2815bad96f14506467cb2c
Ubuntu Security Notice USN-4647-1
Posted Nov 26, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4647-1 - Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across origins, bypass security restrictions, conduct phishing attacks, conduct cross-site scripting attacks, bypass Content Security Policy restrictions, conduct DNS rebinding attacks, or execute arbitrary code.

tags | advisory, denial of service, arbitrary, xss
systems | linux, ubuntu
advisories | CVE-2020-15683, CVE-2020-26951, CVE-2020-26959, CVE-2020-26968
SHA-256 | b799a1688deb058cde3b399b85a064c0ce0fb072287f0896f20914a36207ea00
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