CVE-2020-26969
published 2020-12-09CVE-2020-26969: Mozilla developers reported memory safety bugs present in Firefox 82. Some of these bugs showed evidence of memory corruption and we presume that with enough…
PriorityP339high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
1.20%
64.3th percentile
Mozilla developers reported memory safety bugs present in Firefox 82. 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.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 83.0-1 (sid) | firefox 83.0-1 (sid) |
| mozilla | firefox | < 83 | 83 |
| mozilla | firefox | < 83.0 | 83.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 83.0+build2-0ubuntu0.16.04.3 | 83.0+build2-0ubuntu0.16.04.3 |
| mozilla | firefox | >= 0 < 83.0+build2-0ubuntu0.18.04.2 | 83.0+build2-0ubuntu0.18.04.2 |
| mozilla | firefox | >= 0 < 83.0+build2-0ubuntu0.20.04.1 | 83.0+build2-0ubuntu0.20.04.1 |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
osv8.8HIGH
vendor_debian8.8HIGH
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Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2020-11-19
CVE-2020-26958 Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
USN-4637-1 fixed vulnerabilities in Firefox. This update provides the
corresponding updates for Ubuntu 16.04 LTS.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, 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 (XSS) attacks, bypass Content
Security Policy (CSP) restrictions, conduct DNS rebinding attacks, or
execute arbitrary code.
Instructions: After a standard system update you need to restart Firefox
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2020-11-18
CVE-2020-26952 Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, 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 (XSS) attacks, bypass Content
Security Policy (CSP) restrictions, conduct DNS rebinding attacks, or
execute arbitrary code.
Instructions: After a standard system update you need to restart Firefox to make
all the necessary changes.
Debian
CVE-2020-26969: firefox - Mozilla developers reported memory safety bugs present in Firefox 82. Some of th...
vendor_debian·2020·CVSS 8.8
CVE-2020-26969 [HIGH] CVE-2020-26969: firefox - Mozilla developers reported memory safety bugs present in Firefox 82. Some of th...
Mozilla developers reported memory safety bugs present in Firefox 82. 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.
Scope: local
sid: resolved (fixed in 83.0-1)
Mozilla
Mozilla Foundation Security Advisory 2020-50: CVE-2020-26969
vendor_mozilla·CVSS 8.8
CVE-2020-26969 [HIGH] Mozilla Foundation Security Advisory 2020-50: CVE-2020-26969
Mozilla Foundation Security Advisory 2020-50
CVE: CVE-2020-26969
Product: Firefox
Impact: high
Fixed in: Firefox 83
GHSA
GHSA-m8mw-7m8x-jh2h: Mozilla developers reported memory safety bugs present in Firefox 82
ghsa_unreviewed·2022-05-24
CVE-2020-26969 [HIGH] CWE-787 GHSA-m8mw-7m8x-jh2h: Mozilla developers reported memory safety bugs present in Firefox 82
Mozilla developers reported memory safety bugs present in Firefox 82. 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.
OSV
CVE-2020-26969: Mozilla developers reported memory safety bugs present in Firefox 82
osv·2020-11-17·CVSS 8.8
CVE-2020-26969 [HIGH] CVE-2020-26969: Mozilla developers reported memory safety bugs present in Firefox 82
Mozilla developers reported memory safety bugs present in Firefox 82. 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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-12-09
Published