CVE-2021-29970
published 2021-08-05CVE-2021-29970: A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when…
PriorityP340high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
1.43%
69.7th percentile
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 90.0-1 (sid) | firefox 90.0-1 (sid) |
| debian | firefox-esr | < firefox 90.0-1 (sid) | firefox 90.0-1 (sid) |
| debian | thunderbird | < firefox 90.0-1 (sid) | firefox 90.0-1 (sid) |
| mozilla | firefox | < 90.0 | 90.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= unspecified < 90 | 90 |
| mozilla | firefox_esr | < 78.12 | 78.12 |
| mozilla | firefox_esr | >= unspecified < 78.12 | 78.12 |
| mozilla | thunderbird | < 78.12 | 78.12 |
| mozilla | thunderbird | >= 0 < 1:78.12.0-1 | 1:78.12.0-1 |
| mozilla | thunderbird | >= 0 < 1:78.12.0-1 | 1:78.12.0-1 |
| mozilla | thunderbird | >= 0 < 1:78.12.0-1 | 1:78.12.0-1 |
| mozilla | thunderbird | >= 0 < 1:78.12.0-1 | 1:78.12.0-1 |
| mozilla | thunderbird | >= 0 < 1:78.13.0+build1-0ubuntu0.18.04.1 | 1:78.13.0+build1-0ubuntu0.18.04.1 |
| mozilla | thunderbird | >= 0 < 1:78.13.0+build1-0ubuntu0.20.04.2 | 1:78.13.0+build1-0ubuntu0.20.04.2 |
| mozilla | thunderbird | >= unspecified < 78.12 | 78.12 |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.05.1MEDIUMAV:N/AC:H/Au:N/C:P/I:P/A:P
osv8.8HIGH
vendor_debian8.8HIGH
vendor_redhat8.8HIGH
vendor_ubuntu5.9MEDIUM
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GHSA
GHSA-822v-pgr4-6w5g: A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash
ghsa_unreviewed·2022-05-24
CVE-2021-29970 [HIGH] CWE-416 GHSA-822v-pgr4-6w5g: A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
OSV
thunderbird vulnerabilities
osv·2021-08-31·CVSS 5.9
CVE-2021-29969 [MEDIUM] thunderbird vulnerabilities
thunderbird vulnerabilities
It was discovered that Thunderbird didn't ignore IMAP server responses
prior to completion of the STARTTLS handshake. A person-in-the-middle
could potentially exploit this to trick Thunderbird into showing incorrect
information. (CVE-2021-29969)
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, or
execute arbitrary code. (CVE-2021-29970, CVE-2021-29976, CVE-2021-29980,
CVE-2021-29984, CVE-2021-29985, CVE-2021-29986, CVE-2021-29988,
CVE-2021-29989, CVE-2021-30547)
OSV
CVE-2021-29970: A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash
osv·2021-08-05·CVSS 8.8
CVE-2021-29970 [HIGH] CVE-2021-29970: A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2021-08-31·CVSS 5.9
CVE-2021-29985 [MEDIUM] Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
It was discovered that Thunderbird didn't ignore IMAP server responses
prior to completion of the STARTTLS handshake. A person-in-the-middle
could potentially exploit this to trick Thunderbird into showing incorrect
information. (CVE-2021-29969)
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, or
execute arbitrary code. (CVE-2021-29970, CVE-2021-29976, CVE-2021-29980,
CVE-2021-29984, CVE-2021-29985, CVE-2021-29986, CVE-2021-29988,
CVE-2021-29989, CVE-2021-30547)
Instructions: After a standard system update you need to restart
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2021-07-16
CVE-2021-29974 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, overlay text
over another domain, or execute arbitrary code.
Instructions: After a standard system update you need to restart Firefox to make
all the necessary changes.
Red Hat
Mozilla: Use-after-free in accessibility features of a document
vendor_redhat·2021-07-13·CVSS 8.8
CVE-2021-29970 [HIGH] CWE-416 Mozilla: Use-after-free in accessibility features of a document
Mozilla: Use-after-free in accessibility features of a document
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Package: firefox (Red Hat Enterprise Linux 6) - Out of support scope
Package: thunderbird (Red Hat Enterprise Linux 6) - Out of support scope
Debian
CVE-2021-29970: firefox - A malicious webpage could have triggered a use-after-free, memory corruption, an...
vendor_debian·2021·CVSS 8.8
CVE-2021-29970 [HIGH] CVE-2021-29970: firefox - A malicious webpage could have triggered a use-after-free, memory corruption, an...
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Scope: local
sid: resolved (fixed in 90.0-1)
Mozilla
Mozilla Foundation Security Advisory 2021-28: CVE-2021-29970
vendor_mozilla·CVSS 8.8
CVE-2021-29970 [HIGH] Mozilla Foundation Security Advisory 2021-28: CVE-2021-29970
Mozilla Foundation Security Advisory 2021-28
CVE: CVE-2021-29970
Product: Firefox
Impact: high
Fixed in: Firefox 90
Mozilla
Mozilla Foundation Security Advisory 2021-30: CVE-2021-29970
vendor_mozilla·CVSS 8.8
CVE-2021-29970 [HIGH] Mozilla Foundation Security Advisory 2021-30: CVE-2021-29970
Mozilla Foundation Security Advisory 2021-30
CVE: CVE-2021-29970
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 78.12
Mozilla
Mozilla Foundation Security Advisory 2021-29: CVE-2021-29970
vendor_mozilla·CVSS 8.8
CVE-2021-29970 [HIGH] Mozilla Foundation Security Advisory 2021-29: CVE-2021-29970
Mozilla Foundation Security Advisory 2021-29
CVE: CVE-2021-29970
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 78.12
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1709976https://security.gentoo.org/glsa/202202-03https://security.gentoo.org/glsa/202208-14https://www.mozilla.org/security/advisories/mfsa2021-28/https://www.mozilla.org/security/advisories/mfsa2021-29/https://www.mozilla.org/security/advisories/mfsa2021-30/https://bugzilla.mozilla.org/show_bug.cgi?id=1709976https://security.gentoo.org/glsa/202202-03https://security.gentoo.org/glsa/202208-14https://www.mozilla.org/security/advisories/mfsa2021-28/https://www.mozilla.org/security/advisories/mfsa2021-29/https://www.mozilla.org/security/advisories/mfsa2021-30/
2021-08-05
Published