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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

Debian Security Advisory 4655-1
Posted Apr 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4655-1 - Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code.

tags | advisory, web, arbitrary
systems | linux, debian
advisories | CVE-2020-6821, CVE-2020-6822, CVE-2020-6825
SHA-256 | efe2c24c0e1fe45c57948cc07d04003c364ff99ec8d0e12cfb5c370d063a5de1
Debian Security Advisory 4656-1
Posted Apr 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4656-1 - Multiple security issues have been found in Thunderbird which could result in denial of service or potentially the execution of arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, debian
advisories | CVE-2020-6819, CVE-2020-6820, CVE-2020-6821, CVE-2020-6822, CVE-2020-6825
SHA-256 | 2d2c1cb1156457c6f32aebf2e73219a19c5c4e60c084f6e7ed144d3f9d0fd566
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
SHA-256 | 56769140d3745c7fa75b078705e9f9388804f80045f7d7e2f2e6319e05b03d5f
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
SHA-256 | 5b0f96c8e531ef4c9797c7c8b829d69de481a70cc62c8097c6bd38d1c1677453
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
SHA-256 | 0372171b6c3257e955ee13ea1cff0749a2aa8955f6d4bbf1eb56e15f1c77b11d
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
SHA-256 | f9059f9f96f09681cca6c1c026a26d7147b0fd9e3e88a56fd2fa77c59fab7c6d
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
SHA-256 | 3d641f1f595cc55e33f5677dc89e422acc8ca2db255c90e6d2c6773108b78b21
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
SHA-256 | a5edb044c676b7ae3379c1e267c7dcb5faf5cc278704b1b13ddcbedb06e96680
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
SHA-256 | f88fa78052414e963031d9b8353b20e056a0314a78805983ab7a4b73b4fa4c5c
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
SHA-256 | 16026fa208024a43685d42335f19e6aae1c1bb078adf105a5e88c607a3349ccc
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
SHA-256 | 91d71ac20d68786361b6cfb964fadb3393be599f3fe0f962e69f629b1150825d
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
SHA-256 | d301bcfb4597eb204609438d8a2d62f5162ce247402fe8ea86e3eab2e7384619
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
SHA-256 | 5a728c879f9c3b76b0c2e56a06bb108d5061ad73a95946aff16b3870567aa311
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