A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
References
| Link | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1696138 | Exploit Issue Tracking Vendor Advisory |
| https://security.gentoo.org/glsa/202202-03 | Third Party Advisory |
| https://security.gentoo.org/glsa/202208-14 | Third Party Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-33/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-34/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-35/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-36/ | Vendor Advisory |
Configurations
Configuration 1 (hide)
| AND |
|
History
09 Dec 2022, 19:17
| Type | Values Removed | Values Added |
|---|---|---|
| References | (GENTOO) https://security.gentoo.org/glsa/202208-14 - Third Party Advisory | |
| References | (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1696138 - Exploit, Issue Tracking, Vendor Advisory |
10 Aug 2022, 20:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
16 Mar 2022, 15:06
| Type | Values Removed | Values Added |
|---|---|---|
| References | (GENTOO) https://security.gentoo.org/glsa/202202-03 - Third Party Advisory |
22 Feb 2022, 01:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
25 Aug 2021, 18:13
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-362 | |
| CVSS |
v2 : v3 : |
v2 : 6.8
v3 : 8.1 |
| CPE | cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
|
| References | (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1696138 - Issue Tracking, Permissions Required, Vendor Advisory | |
| References | (MISC) https://www.mozilla.org/security/advisories/mfsa2021-35/ - Vendor Advisory | |
| References | (MISC) https://www.mozilla.org/security/advisories/mfsa2021-33/ - Vendor Advisory | |
| References | (MISC) https://www.mozilla.org/security/advisories/mfsa2021-34/ - Vendor Advisory | |
| References | (MISC) https://www.mozilla.org/security/advisories/mfsa2021-36/ - Vendor Advisory |
17 Aug 2021, 20:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2021-08-17 20:15
Updated : 2023-12-10 13:55
NVD link : CVE-2021-29986
Mitre link : CVE-2021-29986
CVE.ORG link : CVE-2021-29986
JSON object : View
Products Affected
mozilla
- thunderbird
- firefox
- firefox_esr
linux
- linux_kernel
CWE
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')