CVE-2020-12396
published 2020-05-26CVE-2020-12396: Mozilla developers and community members reported memory safety bugs present in Firefox 75. Some of these bugs showed evidence of memory corruption and we…
PriorityP337critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.68%
74.1th percentile
Mozilla developers and community members reported memory safety bugs present in Firefox 75. 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 < 76.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 76.0-1 (sid) | firefox 76.0-1 (sid) |
| mozilla | firefox | < 76.0 | 76.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 76.0.1+build1-0ubuntu0.16.04.1 | 76.0.1+build1-0ubuntu0.16.04.1 |
| mozilla | firefox | >= 0 < 76.0+build2-0ubuntu0.16.04.1 | 76.0+build2-0ubuntu0.16.04.1 |
| mozilla | firefox | >= 0 < 76.0.1+build1-0ubuntu0.18.04.1 | 76.0.1+build1-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 76.0+build2-0ubuntu0.18.04.1 | 76.0+build2-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 76.0.1+build1-0ubuntu0.20.04.1 | 76.0.1+build1-0ubuntu0.20.04.1 |
| mozilla | firefox | >= 0 < 76.0+build2-0ubuntu0.20.04.1 | 76.0+build2-0ubuntu0.20.04.1 |
| mozilla | firefox | >= unspecified < 76 | 76 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_redhat9.8CRITICAL
vendor_ubuntu8.1HIGH
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GHSA
GHSA-764w-vr4w-hf3x: Mozilla developers and community members reported memory safety bugs present in Firefox 75
ghsa_unreviewed·2022-05-24
CVE-2020-12396 [HIGH] CWE-119 GHSA-764w-vr4w-hf3x: Mozilla developers and community members reported memory safety bugs present in Firefox 75
Mozilla developers and community members reported memory safety bugs present in Firefox 75. 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 < 76.
OSV
firefox regression
osv·2020-05-12·CVSS 8.1
[HIGH] firefox regression
firefox regression
USN-4353-1 fixed vulnerabilities in Firefox. The update caused a
regression that impaired the functionality of some addons. This update
fixes the problem.
We apologize for the inconvenience.
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, bypass security
restrictions, spoof the URL bar, or execute arbitrary code.
(CVE-2020-6831, CVE-2020-12387, CVE-2020-12390, CVE-2020-12391,
CVE-2020-12394, CVE-2020-12395, CVE-2020-12396)
It was discovered that the Devtools’ ‘Copy as cURL’ feature did not
properly HTTP POST data of a request. If a user were tricked in to using
the ‘Copy as cURL’ feature to copy a
OSV
firefox vulnerabilities
osv·2020-05-07·CVSS 8.1
CVE-2020-6831 [HIGH] firefox vulnerabilities
firefox vulnerabilities
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, bypass security
restrictions, spoof the URL bar, or execute arbitrary code.
(CVE-2020-6831, CVE-2020-12387, CVE-2020-12390, CVE-2020-12391,
CVE-2020-12394, CVE-2020-12395, CVE-2020-12396)
It was discovered that the Devtools’ ‘Copy as cURL’ feature did not
properly escape the HTTP POST data of a request. If a user were tricked in to
using the ‘Copy as cURL’ feature to copy and paste a command with
specially crafted data in to a terminal, an attacker could potentially
exploit this to obtain sensitive information from local files.
(CVE-2020-12392)
OSV
CVE-2020-12396: Mozilla developers and community members reported memory safety bugs present in Firefox 75
osv·2020-05-07·CVSS 9.8
CVE-2020-12396 [CRITICAL] CVE-2020-12396: Mozilla developers and community members reported memory safety bugs present in Firefox 75
Mozilla developers and community members reported memory safety bugs present in Firefox 75. 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 < 76.
Ubuntu
Firefox regression
vendor_ubuntu·2020-05-12·CVSS 8.1
[HIGH] Firefox regression
Title: Firefox regression
Summary: USN-4353-1 caused a regression in Firefox.
USN-4353-1 fixed vulnerabilities in Firefox. The update caused a
regression that impaired the functionality of some addons. This update
fixes the problem.
We apologize for the inconvenience.
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, bypass security
restrictions, spoof the URL bar, or execute arbitrary code.
(CVE-2020-6831, CVE-2020-12387, CVE-2020-12390, CVE-2020-12391,
CVE-2020-12394, CVE-2020-12395, CVE-2020-12396)
It was discovered that the Devtools’ ‘Copy as cURL’ feature did not
properly HTTP POST data of a request. If a user w
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2020-05-07·CVSS 8.1
CVE-2020-12387 [HIGH] 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, bypass security
restrictions, spoof the URL bar, or execute arbitrary code.
(CVE-2020-6831, CVE-2020-12387, CVE-2020-12390, CVE-2020-12391,
CVE-2020-12394, CVE-2020-12395, CVE-2020-12396)
It was discovered that the Devtools’ ‘Copy as cURL’ feature did not
properly escape the HTTP POST data of a request. If a user were tricked in to
using the ‘Copy as cURL’ feature to copy and paste a command with
specially crafted data in to a terminal, an attacker could potentiall
Red Hat
Mozilla: Memory safety bugs fixed in Firefox 76
vendor_redhat·2020-05-05·CVSS 9.8
CVE-2020-12396 [CRITICAL] CWE-120 Mozilla: Memory safety bugs fixed in Firefox 76
Mozilla: Memory safety bugs fixed in Firefox 76
Mozilla developers and community members reported memory safety bugs present in Firefox 75. 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 < 76.
The Mozilla Foundation Security Advisory describes this flaw as:
Mozilla developers and community members reported memory safety bugs present in Firefox 75. 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.
Package: firefox (Red Hat Enterprise Linux 5) - Out of support scope
Package: firefox (Red Hat Enterprise Linux 6) - Not affected
Package: fi
Debian
CVE-2020-12396: firefox - Mozilla developers and community members reported memory safety bugs present in ...
vendor_debian·2020·CVSS 9.8
CVE-2020-12396 [CRITICAL] CVE-2020-12396: firefox - Mozilla developers and community members reported memory safety bugs present in ...
Mozilla developers and community members reported memory safety bugs present in Firefox 75. 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 < 76.
Scope: local
sid: resolved (fixed in 76.0-1)
Mozilla
Mozilla Foundation Security Advisory 2020-16: CVE-2020-12396
vendor_mozilla·CVSS 9.8
CVE-2020-12396 [CRITICAL] Mozilla Foundation Security Advisory 2020-16: CVE-2020-12396
Mozilla Foundation Security Advisory 2020-16
CVE: CVE-2020-12396
Product: Firefox
Impact: high
Fixed in: Firefox 76
No detection rules found.
No public exploits indexed.
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1339601%2C1611938%2C1620488%2C1622291%2C1627644https://security.gentoo.org/glsa/202005-04https://www.mozilla.org/security/advisories/mfsa2020-16/https://bugzilla.mozilla.org/buglist.cgi?bug_id=1339601%2C1611938%2C1620488%2C1622291%2C1627644https://security.gentoo.org/glsa/202005-04https://www.mozilla.org/security/advisories/mfsa2020-16/
2020-05-26
Published