Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors related to improper list management for Cascading Style Sheets (CSS) @font-face rules
Published Mar 2, 2012
7.5
HIGHCVSS 2.0
EPSS 2.00%
Description
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors related to improper list management for Cascading Style Sheets (CSS) @font-face rules.
Affected products
No data.
- ≤ 5.0.5
- 1.0
- 1.0
- 1.0
- 1.0.0
- 1.0.0b1
- 1.0.0b2
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.3
- 1.0.3
- 1.0b1
- 1.1
- 1.1.0
- 1.1.1
- 1.2
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.3
- 1.3.0
- 1.3.1
- 1.3.2
- 1.3.2
- 1.3.2
- 2.0
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.3
- 2.0.3
- 2.0.3
- 2.0.3
- 2.0.4
- 2.0.4
- 3.0
- 3.0.0
- 3.0.0
- 3.0.0b
- 3.0.0b
- 3.0.1
- 3.0.1
- 3.0.1
- 3.0.1b
- 3.0.1b
- 3.0.2
- 3.0.2
- 3.0.2b
- 3.0.2b
- 3.0.3
- 3.0.3
- 3.0.3b
- 3.0.3b
- 3.0.4
- 3.0.4
- 3.0.4b
- 3.0.4b
- 3.1.0
- 3.1.0
- 3.1.0b
- 3.1.0b
- 3.1.1
- 3.1.1b
- 3.1.2
- 3.1.2b
- 3.2.0
- 3.2.0b
- 3.2.1
- 3.2.1b
- 3.2.2
- 3.2.2b
- 4.0
- 4.0
- 4.0.0b
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.1
- 4.1.1
- 4.1.2
- 5.0.1
- 5.0.2
- 5.0.3
- 5.0.4
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.00% (0.02004) | 80.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.03% (0.02027) | 78.42th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.69% (0.01686) | 80.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.04% (0.02035) | 89.42th | v3 (v2023.03.01) |
| Sep 17, 2024 | 2.04% (0.02035) | 89.19th | v3 (v2023.03.01) |
| May 10, 2024 | 0.62% (0.00621) | 78.74th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.60% (0.00595) | 78.10th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.56% (0.00561) | 77.15th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.57% (0.00570) | 77.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.04% (0.02035) | 87.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.46% (0.04465) | 88.31th | v2 (v2022.01.01) |
| Aug 16, 2022 | 4.46% (0.04465) | 87.67th | v2 (v2022.01.01) |
| May 16, 2022 | 4.97% (0.04970) | 88.60th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.56% (0.05560) | 89.07th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.56% (0.05560) | 76.70th | v2 (v2022.01.01) |
References (2)
- http://support.apple.com/kb/HT4808 x_refsource_CONFIRMVendor Advisory
- http://www.verisigninc.com/products-and-services/network-intelligence-availability/idefense/public-vulnerability-reports/articles/index.xhtml?id=962 third-party-advisoryx_refsource_IDEFENSE
| Link | Providers | Tags |
|---|---|---|
| http://support.apple.com/kb/HT4808 | x_refsource_CONFIRMVendor Advisory | |
| http://www.verisigninc.com/products-and-services/network-intelligence-availability/idefense/public-vulnerability-reports/articles/index.xhtml?id=962 | third-party-advisoryx_refsource_IDEFENSE |
Change history (0)
No recorded changes yet.