CVE-2021-38495
published 2021-11-03CVE-2021-38495: Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with…
PriorityP339high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
1.07%
61.5th percentile
Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. 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 < 91.1 and Firefox ESR < 91.1.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | thunderbird | — | — |
| mozilla | firefox | — | — |
| mozilla | firefox_esr | < 91.1 | 91.1 |
| mozilla | firefox_esr | >= unspecified < 91.1 | 91.1 |
| mozilla | thunderbird | < 91.1 | 91.1 |
| 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 | >= unspecified < 91.1 | 91.1 |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv8.8HIGH
vendor_debian8.8LOW
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,
Red Hat
Mozilla: Memory safety bugs fixed in Firefox 92 and Firefox ESR 91.1
vendor_redhat·2021-09-07·CVSS 8.8
CVE-2021-38495 [HIGH] CWE-120 Mozilla: Memory safety bugs fixed in Firefox 92 and Firefox ESR 91.1
Mozilla: Memory safety bugs fixed in Firefox 92 and Firefox ESR 91.1
Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. 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 < 91.1 and Firefox ESR < 91.1.
Package: firefox (Red Hat Enterprise Linux 6) - Not affected
Package: firefox (Red Hat Enterprise Linux 7) - Not affected
Package: firefox (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2021-38495: thunderbird - Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. S...
vendor_debian·2021·CVSS 8.8
CVE-2021-38495 [HIGH] CVE-2021-38495: thunderbird - Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. S...
Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. 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 < 91.1 and Firefox ESR < 91.1.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved
sid: resolved
trixie: resolved
Mozilla
Mozilla Foundation Security Advisory 2021-40: CVE-2021-38495
vendor_mozilla·CVSS 8.8
CVE-2021-38495 [HIGH] Mozilla Foundation Security Advisory 2021-40: CVE-2021-38495
Mozilla Foundation Security Advisory 2021-40
CVE: CVE-2021-38495
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 91.1
Mozilla
Mozilla Foundation Security Advisory 2021-41: CVE-2021-38495
vendor_mozilla·CVSS 8.8
CVE-2021-38495 [HIGH] Mozilla Foundation Security Advisory 2021-41: CVE-2021-38495
Mozilla Foundation Security Advisory 2021-41
CVE: CVE-2021-38495
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 91.1
GHSA
GHSA-whqc-prwr-5mvr: Mozilla developers reported memory safety bugs present in Thunderbird 78
ghsa_unreviewed·2022-05-24
CVE-2021-38495 [HIGH] CWE-119 GHSA-whqc-prwr-5mvr: Mozilla developers reported memory safety bugs present in Thunderbird 78
Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. 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 < 91.1 and Firefox ESR < 91.1.
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-2021-38495: Mozilla developers reported memory safety bugs present in Thunderbird 78
osv·2021-11-03·CVSS 8.8
CVE-2021-38495 [HIGH] CVE-2021-38495: Mozilla developers reported memory safety bugs present in Thunderbird 78
Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. 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 < 91.1 and Firefox ESR < 91.1.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1723920%2C1724101%2C1724107https://security.gentoo.org/glsa/202202-03https://security.gentoo.org/glsa/202208-14https://www.mozilla.org/security/advisories/mfsa2021-40/https://www.mozilla.org/security/advisories/mfsa2021-41/https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1723920%2C1724101%2C1724107https://security.gentoo.org/glsa/202202-03https://security.gentoo.org/glsa/202208-14https://www.mozilla.org/security/advisories/mfsa2021-40/https://www.mozilla.org/security/advisories/mfsa2021-41/
2021-11-03
Published