CVE-2021-29945
First published: Mon Apr 19 2021(Updated: )
The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. Note: This issue only affected x86-32 platforms. Other platforms are unaffected.
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=1700690
- 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-2021-29945
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-15/#CVE-2021-29945
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/#CVE-2021-29945
- https://security-tracker.debian.org/tracker/CVE-2021-29945
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-29945.
What is the severity level of CVE-2021-29945?
CVE-2021-29945 has a severity level of medium.
Which platforms are affected by CVE-2021-29945?
Only x86-32 platforms are affected by CVE-2021-29945. Other platforms are unaffected.
Which software products are affected by CVE-2021-29945?
Mozilla Thunderbird (up to version 78.10), Mozilla Firefox ESR (up to version 78.10), and Mozilla Firefox (up to version 88) are affected by CVE-2021-29945.
How can I fix the CVE-2021-29945 vulnerability?
To fix the CVE-2021-29945 vulnerability, update Mozilla Thunderbird to version 78.10, Mozilla Firefox ESR to version 78.10, or Mozilla Firefox to version 88.
- collector/security-tracker-debian
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- agent/author
- agent/severity
- agent/references
- agent/weakness
- collector/mozilla-advisory
- source/Mozilla
- agent/software-canonical-lookup
- 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