CVE-2021-23999
First published: Mon Apr 19 2021(Updated: )
If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Thunderbird | <78.10 | 78.10 |
| <78.10 | 78.10 | |
| <78.10 | 78.10 | |
| <88 | 88 | |
| Mozilla Firefox | <88.0 | |
| Mozilla Firefox ESR | <78.10 | |
| Mozilla Thunderbird | <78.10 | |
| debian/firefox | 118.0.2-1 | |
| debian/firefox-esr | 91.12.0esr-1~deb10u1 115.3.1esr-1~deb10u1 102.15.0esr-1~deb11u1 115.3.1esr-1~deb11u1 102.15.1esr-1~deb12u1 115.3.0esr-1~deb12u1 115.3.0esr-1 | |
| debian/thunderbird | 1:91.12.0-1~deb10u1 1:115.3.1-1~deb10u1 1:102.13.1-1~deb11u1 1:115.3.1-1~deb11u1 1:102.15.1-1~deb12u1 1:115.3.1-1~deb12u1 1:115.3.1-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1691153
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-15/
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/
- https://www.mozilla.org/security/advisories/mfsa2021-14/
- https://www.mozilla.org/security/advisories/mfsa2021-15/
- https://www.mozilla.org/security/advisories/mfsa2021-16/
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-23999
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-15/#CVE-2021-23999
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/#CVE-2021-23999
- https://security-tracker.debian.org/tracker/CVE-2021-23999
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- collector/security-tracker-debian
- agent/weakness
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- collector/mozilla-advisory
- source/Mozilla
- agent/software-canonical-lookup
- agent/references
- agent/author
- agent/severity
- agent/software-canonical-lookup-request
- agent/description
- collector/nvd-index
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- agent/trending
- package-manager/debian
- vendor/mozilla
- canonical/mozilla thunderbird
- canonical/mozilla firefox esr
- canonical/mozilla firefox