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CVE-2020-6822

Status Candidate

Overview

On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

Related Files

Gentoo Linux Security Advisory 202004-11
Posted Apr 23, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202004-11 - Multiple vulnerabilities have been found in Mozilla Firefox, the worst of which could result in the arbitrary execution of code. Versions less than 68.7.0 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2020-6821, CVE-2020-6822, CVE-2020-6823, CVE-2020-6824, CVE-2020-6825, CVE-2020-6826
MD5 | 8a4e0865263bc0a5f8f70bb77dd5d96f
Ubuntu Security Notice USN-4335-1
Posted Apr 22, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4335-1 - 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, bypass security restrictions, bypass same-origin restrictions, conduct cross-site scripting attacks, or execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, xss
systems | linux, ubuntu
advisories | CVE-2019-11745, CVE-2019-11755, CVE-2019-11759, CVE-2019-11760, CVE-2019-11761, CVE-2019-11763, CVE-2019-11764, CVE-2019-15903, CVE-2019-17005, CVE-2019-17008, CVE-2019-17011, CVE-2019-17012, CVE-2019-17016, CVE-2019-17022, CVE-2019-17024, CVE-2019-17026, CVE-2020-6792, CVE-2020-6794, CVE-2020-6798, CVE-2020-6800, CVE-2020-6805, CVE-2020-6811, CVE-2020-6812, CVE-2020-6814, CVE-2020-6821, CVE-2020-6822, CVE-2020-6825
MD5 | c86e86afb9b7eb66cd0dc89a57af7b70
Red Hat Security Advisory 2020-1495-01
Posted Apr 17, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1495-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.7.0. Issues addressed include out of bounds write and use-after-free vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-6819, CVE-2020-6820, CVE-2020-6821, CVE-2020-6822, CVE-2020-6825
MD5 | badb804b1ba4dbb1cbb4f9cfbbd4d8b7
Red Hat Security Advisory 2020-1496-01
Posted Apr 17, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1496-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.7.0. Issues addressed include out of bounds write and use-after-free vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-6819, CVE-2020-6820, CVE-2020-6821, CVE-2020-6822, CVE-2020-6825
MD5 | 71676ef5284232170e0295f0907ecc33
Red Hat Security Advisory 2020-1488-01
Posted Apr 16, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1488-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.7.0. Issues addressed include out of bounds write and use-after-free vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-6819, CVE-2020-6820, CVE-2020-6821, CVE-2020-6822, CVE-2020-6825
MD5 | 663d6a16113565563d367a53a7ec16ee
Red Hat Security Advisory 2020-1489-01
Posted Apr 16, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1489-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.7.0. Issues addressed include out of bounds write and use-after-free vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-6819, CVE-2020-6820, CVE-2020-6821, CVE-2020-6822, CVE-2020-6825
MD5 | c4d789c7db4a838a4dd734ccf1327636
Ubuntu Security Notice USN-4328-1
Posted Apr 13, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4328-1 - It was discovered that Message ID calculation was based on uninitialized data. An attacker could potentially exploit this to obtain sensitive information. Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, or execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-20503, CVE-2020-6792, CVE-2020-6794, CVE-2020-6795, CVE-2020-6805, CVE-2020-6806, CVE-2020-6811, CVE-2020-6814, CVE-2020-6819, CVE-2020-6820, CVE-2020-6822
MD5 | a47c86e4900d242c02f53a1b1a38768c
Red Hat Security Advisory 2020-1429-01
Posted Apr 13, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1429-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 68.7.0 ESR. Issues addressed include an out of bounds write vulnerability.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2020-6821, CVE-2020-6822, CVE-2020-6825
MD5 | 566df86347007db6f3671392e89c0190
Red Hat Security Advisory 2020-1420-01
Posted Apr 9, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1420-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 68.7.0 ESR. Issues addressed include an out of bounds write vulnerability.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2020-6821, CVE-2020-6822, CVE-2020-6825
MD5 | 824c8b0da836e5516be561fd00e054f3
Red Hat Security Advisory 2020-1406-01
Posted Apr 8, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1406-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 68.7.0 ESR. Issues addressed include an out of bounds write vulnerability.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2020-6821, CVE-2020-6822, CVE-2020-6825
MD5 | ed0c79646f8f333e91d1355f2c415184
Red Hat Security Advisory 2020-1404-01
Posted Apr 8, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1404-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 68.7.0 ESR. Issues addressed include an out of bounds write vulnerability.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2020-6821, CVE-2020-6822, CVE-2020-6825
MD5 | 82837a12a5ac9e9088b66cf7dbafa22c
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