CVE-2021-38500
published 2021-11-03CVE-2021-38500: Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we…
PriorityP342high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
1.23%
65.3th percentile
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
Affected
23 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | firefox | < firefox 93.0-1 (sid) | firefox 93.0-1 (sid) |
| debian | firefox-esr | < firefox 93.0-1 (sid) | firefox 93.0-1 (sid) |
| debian | thunderbird | < firefox 93.0-1 (sid) | firefox 93.0-1 (sid) |
| mozilla | firefox | < 93.0 | 93.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 91.0 < 91.2 | 91.2 |
| mozilla | firefox | >= unspecified < 93 | 93 |
| mozilla | firefox_esr | < 78.15 | 78.15 |
| mozilla | firefox_esr | >= unspecified < 91.2 | 91.2 |
| mozilla | firefox_esr | >= unspecified < 78.15 | 78.15 |
| mozilla | thunderbird | < 78.15 | 78.15 |
| mozilla | thunderbird | >= 0 < 1:91.4.1-1~deb11u1 | 1:91.4.1-1~deb11u1 |
| mozilla | thunderbird | >= 0 < 1:91.2.1-1 | 1:91.2.1-1 |
| mozilla | thunderbird | >= 0 < 1:91.2.1-1 | 1:91.2.1-1 |
| mozilla | thunderbird | >= 0 < 1:91.2.1-1 | 1:91.2.1-1 |
| mozilla | thunderbird | >= 0 < 1:91.5.0+build1-0ubuntu0.18.04.1 | 1:91.5.0+build1-0ubuntu0.18.04.1 |
| mozilla | thunderbird | >= 0 < 1:91.5.0+build1-0ubuntu0.20.04.1 | 1:91.5.0+build1-0ubuntu0.20.04.1 |
| mozilla | thunderbird | >= 91.0 < 91.2 | 91.2 |
| mozilla | thunderbird | >= unspecified < 78.15 | 78.15 |
| mozilla | thunderbird | >= unspecified < 91.2 | 91.2 |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv8.8HIGH
vendor_debian8.8HIGH
vendor_redhat8.8HIGH
vendor_ubuntu8.8HIGH
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Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2022-01-21·CVSS 8.8
CVE-2022-22742 [HIGH] Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, trick a user into accepting unwanted
permissions, conduct header splitting attacks, conduct spoofing attacks,
bypass security restrictions, confuse the user, or execute arbitrary code.
(CVE-2021-4129, CVE-2021-4140, CVE-2021-29981, CVE-2021-29982,
CVE-2021-29987, CVE-2021-29991, CVE-2021-38495, CVE-2021-38496,
CVE-2021-38497, CVE-2021-38498, CVE-2021-38500, CVE-2021-38501,
CVE-2021-38503, CVE-2021-38504, CVE-2021-38506, CVE-2021-38507,
CVE-2021-38508,
Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2021-11-03
CVE-2021-38500 Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
spoof another origin, or execute arbitrary code.
Instructions: After a standard system update you need to restart Thunderbird to make
all the necessary changes.
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2021-10-07
CVE-2021-38497 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 into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, spoof another
origin, or execute arbitrary code.
Instructions: After a standard system update you need to restart Firefox to make
all the necessary changes.
Red Hat
Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2
vendor_redhat·2021-10-05·CVSS 8.8
CVE-2021-38500 [HIGH] CWE-120 Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2
Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
Package: firefox (Red Hat Enterprise Linux 6) - Out of support scope
Package: thunderbird (Red Hat Enterprise Linux 6) - Out of support scope
Debian
CVE-2021-38500: firefox - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox...
vendor_debian·2021·CVSS 8.8
CVE-2021-38500 [HIGH] CVE-2021-38500: firefox - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox...
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
Scope: local
sid: resolved (fixed in 93.0-1)
Mozilla
Mozilla Foundation Security Advisory 2021-45: CVE-2021-38500
vendor_mozilla·CVSS 8.8
CVE-2021-38500 [HIGH] Mozilla Foundation Security Advisory 2021-45: CVE-2021-38500
Mozilla Foundation Security Advisory 2021-45
CVE: CVE-2021-38500
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 91.2
Mozilla
Mozilla Foundation Security Advisory 2021-44: CVE-2021-38500
vendor_mozilla·CVSS 8.8
CVE-2021-38500 [HIGH] Mozilla Foundation Security Advisory 2021-44: CVE-2021-38500
Mozilla Foundation Security Advisory 2021-44
CVE: CVE-2021-38500
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 78.15
Mozilla
Mozilla Foundation Security Advisory 2021-43: CVE-2021-38500
vendor_mozilla·CVSS 8.8
CVE-2021-38500 [HIGH] Mozilla Foundation Security Advisory 2021-43: CVE-2021-38500
Mozilla Foundation Security Advisory 2021-43
CVE: CVE-2021-38500
Product: Firefox
Impact: high
Fixed in: Firefox 93
Mozilla
Mozilla Foundation Security Advisory 2021-47: CVE-2021-38500
vendor_mozilla·CVSS 8.8
CVE-2021-38500 [HIGH] Mozilla Foundation Security Advisory 2021-47: CVE-2021-38500
Mozilla Foundation Security Advisory 2021-47
CVE: CVE-2021-38500
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 91.2
GHSA
GHSA-pv72-mgh4-jqvg: Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91
ghsa_unreviewed·2022-05-24
CVE-2021-38500 [HIGH] GHSA-pv72-mgh4-jqvg: Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
OSV
thunderbird vulnerabilities
osv·2022-01-21·CVSS 8.8
CVE-2021-4129 [HIGH] thunderbird vulnerabilities
thunderbird vulnerabilities
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, trick a user into accepting unwanted
permissions, conduct header splitting attacks, conduct spoofing attacks,
bypass security restrictions, confuse the user, or execute arbitrary code.
(CVE-2021-4129, CVE-2021-4140, CVE-2021-29981, CVE-2021-29982,
CVE-2021-29987, CVE-2021-29991, CVE-2021-38495, CVE-2021-38496,
CVE-2021-38497, CVE-2021-38498, CVE-2021-38500, CVE-2021-38501,
CVE-2021-38503, CVE-2021-38504, CVE-2021-38506, CVE-2021-38507,
CVE-2021-38508, CVE-2021-38509, CVE-2021-43534, CVE-2021-43535,
CVE-2021-43536, CVE
OSV
CVE-2021-38500: Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91
osv·2021-11-03·CVSS 8.8
CVE-2021-38500 [HIGH] CVE-2021-38500: Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1725854%2C1728321https://lists.debian.org/debian-lts-announce/2022/01/msg00001.htmlhttps://www.debian.org/security/2022/dsa-5034https://www.mozilla.org/security/advisories/mfsa2021-43/https://www.mozilla.org/security/advisories/mfsa2021-44/https://www.mozilla.org/security/advisories/mfsa2021-45/https://www.mozilla.org/security/advisories/mfsa2021-46/https://www.mozilla.org/security/advisories/mfsa2021-47/https://bugzilla.mozilla.org/buglist.cgi?bug_id=1725854%2C1728321https://lists.debian.org/debian-lts-announce/2022/01/msg00001.htmlhttps://www.debian.org/security/2022/dsa-5034https://www.mozilla.org/security/advisories/mfsa2021-43/https://www.mozilla.org/security/advisories/mfsa2021-44/https://www.mozilla.org/security/advisories/mfsa2021-45/https://www.mozilla.org/security/advisories/mfsa2021-46/https://www.mozilla.org/security/advisories/mfsa2021-47/
2021-11-03
Published