CVE-2021-29962 — Improper Resource Shutdown or Release in Mozilla Firefox

CWE-404 — Improper Resource Shutdown or Release5 documents5 sources
Severity
4.3MEDIUMNVD
EPSS
0.4%
top 39.35%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedJun 24
Latest updateMay 24

Description

Firefox for Android would become unstable and hard-to-recover when a website opened too many popups. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 89.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶CVEListV5mozilla/firefoxunspecified — 89
▶NVDmozilla/firefox< 89.0
▶mozillamozilla/firefox

🔴Vulnerability Details

2
GHSA
GHSA-hp43-m6jc-vrgr: Firefox for Android would become unstable and hard-to-recover when a website opened too many popups↗2022-05-24
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OSV
CVE-2021-29962: Firefox for Android would become unstable and hard-to-recover when a website opened too many popups↗2021-06-24
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📋Vendor Advisories

2
Debian
CVE-2021-29962: firefox - Firefox for Android would become unstable and hard-to-recover when a website ope...↗2021
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Mozilla
Mozilla Foundation Security Advisory 2021-23: CVE-2021-29962↗
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