CVE-2021-43545
First published: Tue Dec 07 2021(Updated: )
Using the Location API in a loop could have caused severe application hangs and crashes.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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-1 115.4.0esr-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 | |
| Thunderbird | <91.4 | 91.4 |
| Firefox | <95.0 | |
| Firefox ESR | <91.4.0 | |
| Thunderbird | <91.4.0 | |
| Debian | =9.0 | |
| Debian | =10.0 | |
| Debian | =11.0 | |
| Firefox | <95 | 95 |
| Firefox ESR | <91.4 | 91.4 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1720926
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-54/
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-52/
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-53/
- https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
- https://www.debian.org/security/2021/dsa-5026
- https://www.debian.org/security/2022/dsa-5034
- https://www.mozilla.org/security/advisories/mfsa2021-52/
- https://www.mozilla.org/security/advisories/mfsa2021-53/
- https://www.mozilla.org/security/advisories/mfsa2021-54/
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-52/#CVE-2021-43545
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-53/#CVE-2021-43545
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-54/#CVE-2021-43545
- https://security-tracker.debian.org/tracker/CVE-2021-43545
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2021-43545?
CVE-2021-43545 is classified with a high severity due to its potential to cause severe application hangs and crashes.
How do I fix CVE-2021-43545?
To fix CVE-2021-43545, upgrade Thunderbird to version 91.4.0 or later, Firefox ESR to version 91.4.0 or later, and Firefox to version 95 or later.
Which applications are affected by CVE-2021-43545?
CVE-2021-43545 affects Thunderbird versions earlier than 91.4.0, Firefox ESR versions earlier than 91.4.0, and Firefox versions earlier than 95.
What causes the issue in CVE-2021-43545?
The issue in CVE-2021-43545 is caused by using the Location API in a loop leading to application instability.
When was CVE-2021-43545 disclosed?
CVE-2021-43545 was disclosed as part of Mozilla's security advisory in late 2021.
- collector/security-tracker-debian
- agent/type
- agent/first-publish-date
- agent/references
- agent/severity
- agent/weakness
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/author
- agent/event
- agent/trending
- agent/source
- collector/mozilla-advisory
- agent/software-canonical-lookup-request
- source/Mozilla
- agent/software-canonical-lookup
- collector/nvd-api
- source/NVD
- collector/nvd-index
- agent/tags
- agent/softwarecombine
- package-manager/debian
- vendor/mozilla
- canonical/thunderbird
- canonical/firefox
- canonical/firefox esr
- vendor/debian
- canonical/debian
- version/debian/9.0
- version/debian/10.0
- version/debian/11.0