Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
References
Link | Resource |
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https://bugzilla.mozilla.org/show_bug.cgi?id=1718571 | Issue Tracking Permissions Required Vendor Advisory |
https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html | Mailing List Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html | Mailing List Third Party Advisory |
https://security.gentoo.org/glsa/202202-03 | Third Party Advisory |
https://security.gentoo.org/glsa/202208-14 | Third Party Advisory |
https://www.debian.org/security/2021/dsa-5026 | Third Party Advisory |
https://www.debian.org/security/2022/dsa-5034 | Mailing List Third Party Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-48/ | Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-49/ | Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-50/ | Vendor Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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History
10 Aug 2022, 20:15
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References |
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16 Mar 2022, 17:10
Type | Values Removed | Values Added |
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CPE | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | |
References | (MLIST) https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html - Mailing List, Third Party Advisory | |
References | (DEBIAN) https://www.debian.org/security/2022/dsa-5034 - Mailing List, Third Party Advisory | |
References | (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html - Mailing List, Third Party Advisory | |
References | (GENTOO) https://security.gentoo.org/glsa/202202-03 - Third Party Advisory |
22 Feb 2022, 01:15
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References |
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04 Jan 2022, 12:15
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References |
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03 Jan 2022, 11:15
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References |
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29 Dec 2021, 16:15
Type | Values Removed | Values Added |
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References |
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21 Dec 2021, 20:45
Type | Values Removed | Values Added |
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CPE | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
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References | (DEBIAN) https://www.debian.org/security/2021/dsa-5026 - Third Party Advisory |
20 Dec 2021, 00:15
Type | Values Removed | Values Added |
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References |
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10 Dec 2021, 16:58
Type | Values Removed | Values Added |
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References | (MISC) https://www.mozilla.org/security/advisories/mfsa2021-49/ - Vendor Advisory | |
References | (MISC) https://www.mozilla.org/security/advisories/mfsa2021-48/ - Vendor Advisory | |
References | (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1718571 - Issue Tracking, Permissions Required, Vendor Advisory | |
References | (MISC) https://www.mozilla.org/security/advisories/mfsa2021-50/ - Vendor Advisory | |
CVSS |
v2 : v3 : |
v2 : 4.3
v3 : 4.3 |
CPE | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* |
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CWE | CWE-1021 |
08 Dec 2021, 22:15
Type | Values Removed | Values Added |
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New CVE |
Information
Published : 2021-12-08 22:15
Updated : 2024-02-04 22:08
NVD link : CVE-2021-38509
Mitre link : CVE-2021-38509
CVE.ORG link : CVE-2021-38509
JSON object : View
Products Affected
debian
- debian_linux
mozilla
- firefox
- firefox_esr
- thunderbird
CWE
CWE-1021
Improper Restriction of Rendered UI Layers or Frames