CVE-2021-29982
published 2021-08-17CVE-2021-29982: Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory…
PriorityP429medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
1.12%
62.3th percentile
Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 91.0-1 (sid) | firefox 91.0-1 (sid) |
| debian | thunderbird | < firefox 91.0-1 (sid) | firefox 91.0-1 (sid) |
| mozilla | firefox | < 91.0 | 91.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 91.0+build2-0ubuntu0.18.04.1 | 91.0+build2-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 91.0+build2-0ubuntu0.20.04.1 | 91.0+build2-0ubuntu0.20.04.1 |
| mozilla | firefox | >= unspecified < 91 | 91 |
| mozilla | thunderbird | < 91.0 | 91.0 |
| 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 | 91 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian6.5MEDIUM
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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
Firefox vulnerabilities
vendor_ubuntu·2021-08-11
CVE-2021-29984 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, obtain sensitive
information, trick a user into accepting unwanted permissions, or execute
arbitrary code.
Instructions: After a standard system update you need to restart Firefox to make
all the necessary changes.
Debian
CVE-2021-29982: firefox - Due to incorrect JIT optimization, we incorrectly interpreted data from the wron...
vendor_debian·2021·CVSS 6.5
CVE-2021-29982 [MEDIUM] CVE-2021-29982: firefox - Due to incorrect JIT optimization, we incorrectly interpreted data from the wron...
Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.
Scope: local
sid: resolved (fixed in 91.0-1)
Mozilla
Mozilla Foundation Security Advisory 2021-36: CVE-2021-29982
vendor_mozilla·CVSS 6.5
CVE-2021-29982 [MEDIUM] Mozilla Foundation Security Advisory 2021-36: CVE-2021-29982
Mozilla Foundation Security Advisory 2021-36
CVE: CVE-2021-29982
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 91
Mozilla
Mozilla Foundation Security Advisory 2021-33: CVE-2021-29982
vendor_mozilla·CVSS 6.5
CVE-2021-29982 [MEDIUM] Mozilla Foundation Security Advisory 2021-33: CVE-2021-29982
Mozilla Foundation Security Advisory 2021-33
CVE: CVE-2021-29982
Product: Firefox
Impact: high
Fixed in: Firefox 91
GHSA
GHSA-9x2f-wq24-4m7j: Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of m
ghsa_unreviewed·2022-05-24
CVE-2021-29982 [MEDIUM] CWE-772 GHSA-9x2f-wq24-4m7j: Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of m
Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.
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-2021-29982: Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of m
osv·2021-08-11·CVSS 6.5
CVE-2021-29982 [MEDIUM] CVE-2021-29982: Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of m
Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1715318https://security.gentoo.org/glsa/202202-03https://www.mozilla.org/security/advisories/mfsa2021-33/https://www.mozilla.org/security/advisories/mfsa2021-36/https://bugzilla.mozilla.org/show_bug.cgi?id=1715318https://security.gentoo.org/glsa/202202-03https://www.mozilla.org/security/advisories/mfsa2021-33/https://www.mozilla.org/security/advisories/mfsa2021-36/
2021-08-17
Published