CVE-2010-1401
Use-after-free vulnerability in the Cascading Style Sheets (CSS) implementation in WebKit in...
Use-after-free vulnerability in the Cascading Style Sheets (CSS) implementation in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving the :first-letter pseudo-element.
Exploit likelihood
What each source reports
NVD Score used
Use-after-free vulnerability in the Cascading Style Sheets (CSS) implementation in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving the :first-letter pseudo-element.
- Record
CVE-2010-1401- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Use-after-free vulnerability in the Cascading Style Sheets (CSS) implementation in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving the :first-letter pseudo-element.
- Record
CVE-2010-1401- Updated
- 2026-11-02
EUVDEUVD-2010-1429 No score
Use-after-free vulnerability in the Cascading Style Sheets (CSS) implementation in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving the :first-letter pseudo-element.
- Record
EUVD-2010-1429- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-36w5-vfg5-5jh4 No score
Use-after-free vulnerability in the Cascading Style Sheets (CSS) implementation in WebKit in...
Use-after-free vulnerability in the Cascading Style Sheets (CSS) implementation in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving the :first-letter pseudo-element.
- Record
GHSA-36w5-vfg5-5jh4- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-1401 is a high vulnerability (CVSS 9.3) in Apple Safari, published June 11, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 8.73%, the 95th percentile. No source names a fixed version.
References
mandriva.com/security/advisories?name=MDVSA-2011:039
support.apple.com/kb/HT4220
securityfocus.com/archive/1/511717/100/0/threaded
vupen.com/english/advisories/2010/2722
secunia.com/advisories/43068
ubuntu.com/usn/USN-1006-1
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lists.apple.com/archives/security-announce/2010/Jun/msg00000.html
lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6981
zerodayinitiative.com/advisories/ZDI-10-098
securitytracker.com/id?1024067
nvd.nist.gov/vuln/detail/CVE-2010-1401
github.com/advisories/GHSA-36w5-vfg5-5jh4