webkitgtk: out-of-bounds write may lead to code execution
Published Oct 16, 2020
8.8
HIGHCVSS 3.1
EPSS 2.20%
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to code execution.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<Safari 14.0
- Version
No data.
Red Hat Enterprise Linux 7 Extended Lifecycle Support
webkitgtk4-0:2.48.3-2.el7_9
Fixed · RHSA-2025:10364
Red Hat Enterprise Linux 8
webkit2gtk3-0:2.30.4-1.el8
Fixed · RHSA-2021:1586
Red Hat Enterprise Linux 6
webkitgtk
Out of support scope
Red Hat Enterprise Linux 7
webkitgtk3
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | webkitgtk4-0:2.48.3-2.el7_9 | Fixed | RHSA-2025:10364 |
| Red Hat Enterprise Linux 8 | webkit2gtk3-0:2.30.4-1.el8 | Fixed | RHSA-2021:1586 |
| Red Hat Enterprise Linux 6 | webkitgtk | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | webkitgtk3 | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.20% (0.02201) | 81.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.01% (0.02013) | 78.27th | v5 (v2026.06.15) |
| Aug 19, 2025 | 1.99% (0.01993) | 82.85th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.60% (0.00597) | 67.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.49% (0.00490) | 76.89th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.44% (0.00441) | 74.11th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.44% (0.00441) | 71.94th | v3 (v2023.03.01) |
| Jul 2, 2023 | 0.55% (0.00550) | 74.36th | v3 (v2023.03.01) |
| May 23, 2023 | 0.49% (0.00493) | 72.69th | v3 (v2023.03.01) |
| Apr 27, 2023 | 0.36% (0.00365) | 68.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00319) | 65.79th | v3 (v2023.03.01) |
| Mar 6, 2023 | 19.80% (0.19803) | 96.41th | v2 (v2022.01.01) |
| Apr 1, 2022 | 19.80% (0.19803) | 96.07th | v2 (v2022.01.01) |
| Feb 4, 2022 | 19.80% (0.19803) | 93.91th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.00% (0.04000) | 73.90th | v1 |
| Jan 6, 2022 | 4.00% (0.04000) | 73.68th | v1 |
| Sep 1, 2021 | 4.00% (0.04000) | 83.20th | v1 |
| Apr 14, 2021 | 4.00% (0.04000) | 0.00th | v1 |
References (19)
- http://seclists.org/fulldisclosure/2020/Nov/18 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/19 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/20 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/22 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/23/3 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2020-9983 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1901221 Issue Tracking
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDGBNKYT7NMW7CJ26YFUPUHPJVYGV7IQ/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2020-9983
- https://security.gentoo.org/glsa/202012-10 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://support.apple.com/HT211845 x_refsource_MISCRelease NotesVendor Advisory
- https://support.apple.com/kb/HT211843 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/kb/HT211844 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/kb/HT211850 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/kb/HT211935 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/kb/HT211952 x_refsource_CONFIRMVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2020-9983
- https://www.debian.org/security/2020/dsa-4797 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.