CVE-2021-23983
published 2021-03-31CVE-2021-23983: By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a…
PriorityP426medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
0.74%
50.0th percentile
By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 87.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 87.0-1 (sid) | firefox 87.0-1 (sid) |
| mozilla | firefox | < 87.0 | 87.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 87.0+build3-0ubuntu0.16.04.2 | 87.0+build3-0ubuntu0.16.04.2 |
| mozilla | firefox | >= 0 < 87.0+build3-0ubuntu0.18.04.2 | 87.0+build3-0ubuntu0.18.04.2 |
| mozilla | firefox | >= 0 < 87.0+build3-0ubuntu0.20.04.2 | 87.0+build3-0ubuntu0.20.04.2 |
| mozilla | firefox | >= unspecified < 87 | 87 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv8.1HIGH
vendor_ubuntu8.1HIGH
vendor_debian6.5MEDIUM
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GHSA
GHSA-cx32-x9h5-xm6c: By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corrupt
ghsa_unreviewed·2022-05-24
CVE-2021-23983 [MEDIUM] CWE-119 GHSA-cx32-x9h5-xm6c: By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corrupt
By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 87.
OSV
firefox vulnerabilities
osv·2021-03-25·CVSS 8.1
CVE-2021-23981 [HIGH] firefox vulnerabilities
firefox vulnerabilities
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, or execute arbitrary code. (CVE-2021-23981, CVE-2021-23982,
CVE-2021-23983, CVE-2021-23987, CVE-2021-23988)
It was discovered that extensions could open popup windows with control
of the window title in some circumstances. If a user were tricked into
installing a specially crafted extension, an attacker could potentially
exploit this to spook a website and trick the user into providing
credentials. (CVE-2021-23984)
It was discovered that the DevTools remote debugging feature could be
enabled without an indication to the user. If a local attacker
OSV
CVE-2021-23983: By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corrupt
osv·2021-03-24·CVSS 6.5
CVE-2021-23983 [MEDIUM] CVE-2021-23983: By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corrupt
By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 87.
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2021-03-25·CVSS 8.1
CVE-2021-23987 [HIGH] Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, or execute arbitrary code. (CVE-2021-23981, CVE-2021-23982,
CVE-2021-23983, CVE-2021-23987, CVE-2021-23988)
It was discovered that extensions could open popup windows with control
of the window title in some circumstances. If a user were tricked into
installing a specially crafted extension, an attacker could potentially
exploit this to spook a website and trick the user into providing
credentials. (CVE-2021-23984)
It was discovered th
Debian
CVE-2021-23983: firefox - By causing a transition on a parent node by removing a CSS rule, an invalid prop...
vendor_debian·2021·CVSS 6.5
CVE-2021-23983 [MEDIUM] CVE-2021-23983: firefox - By causing a transition on a parent node by removing a CSS rule, an invalid prop...
By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 87.
Scope: local
sid: resolved (fixed in 87.0-1)
Mozilla
Mozilla Foundation Security Advisory 2021-10: CVE-2021-23983
vendor_mozilla·CVSS 6.5
CVE-2021-23983 [MEDIUM] Mozilla Foundation Security Advisory 2021-10: CVE-2021-23983
Mozilla Foundation Security Advisory 2021-10
CVE: CVE-2021-23983
Product: Firefox
Impact: moderate
Fixed in: Firefox 87
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-03-31
Published