HIGH
chromium-browser: Use after free in IndexedDB
Published Sep 21, 2020
8.8
HIGHCVSS 3.1
EPSS 27.54%
Description
Use after free in IndexedDB in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<84.0.4147.125
- Version
Configuration 2
OR
- 10.0
- 33
No data.
Red Hat Enterprise Linux 6 Supplementary
chromium-browser-0:84.0.4147.135-1.el6_10
Fixed · RHSA-2020:3560
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 Supplementary | chromium-browser-0:84.0.4147.135-1.el6_10 | Fixed | RHSA-2020:3560 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
8.8 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
9.3 HIGH NVD
AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
27.54% 0.27540
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.27540
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 (31 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 27.54% (0.27540) | 98.02th | v5 (v2026.06.15) |
| Sep 15, 2026 | 27.54% (0.27540) | 97.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 29.29% (0.29292) | 97.92th | v5 (v2026.06.15) |
| Nov 21, 2025 | 17.69% (0.17688) | 94.84th | v4 (v2025.03.14) |
| Nov 18, 2025 | 21.07% (0.21070) | 95.26th | v4 (v2025.03.14) |
| Mar 30, 2025 | 17.69% (0.17688) | 94.57th | v4 (v2025.03.14) |
| Mar 29, 2025 | 24.70% (0.24696) | 93.76th | v4 (v2025.03.14) |
| Mar 17, 2025 | 17.69% (0.17688) | 94.60th | v4 (v2025.03.14) |
| Dec 17, 2024 | 8.11% (0.08112) | 94.31th | v3 (v2023.03.01) |
| Aug 28, 2024 | 25.61% (0.25605) | 96.78th | v3 (v2023.03.01) |
| Aug 12, 2024 | 23.29% (0.23290) | 96.62th | v3 (v2023.03.01) |
| Jul 26, 2024 | 29.66% (0.29660) | 96.97th | v3 (v2023.03.01) |
| Jul 11, 2024 | 36.82% (0.36818) | 97.21th | v3 (v2023.03.01) |
| May 21, 2024 | 33.82% (0.33821) | 97.06th | v3 (v2023.03.01) |
| Apr 18, 2024 | 32.21% (0.32211) | 96.95th | v3 (v2023.03.01) |
| Dec 24, 2023 | 39.19% (0.39193) | 96.90th | v3 (v2023.03.01) |
| Nov 8, 2023 | 46.91% (0.46914) | 97.09th | v3 (v2023.03.01) |
| Oct 9, 2023 | 42.52% (0.42522) | 96.89th | v3 (v2023.03.01) |
| Aug 28, 2023 | 50.28% (0.50280) | 97.09th | v3 (v2023.03.01) |
| Jun 7, 2023 | 56.21% (0.56210) | 97.16th | v3 (v2023.03.01) |
| Apr 28, 2023 | 60.52% (0.60518) | 97.21th | v3 (v2023.03.01) |
| Apr 2, 2023 | 57.51% (0.57514) | 97.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 62.56% (0.62562) | 97.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 22.92% (0.22916) | 94.48th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.31% (0.03311) | 66.59th | v1 |
| Jan 6, 2022 | 3.31% (0.03311) | 66.27th | v1 |
| Sep 1, 2021 | 0.76% (0.00757) | 49.43th | v1 |
| Apr 14, 2021 | 0.76% (0.00757) | 0.00th | v1 |
Weaknesses (2)
References (10)
- http://packetstormsecurity.com/files/159609/Chrome-WebIDBGetDBNamesCallbacksImpl-SuccessNamesAndVersionsList-Use-After-Free.html x_refsource_MISCThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2020-6550 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1867947 Issue Tracking
- https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html x_refsource_MISCRelease NotesVendor Advisory
- https://crbug.com/1106682 x_refsource_MISCThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2020-6550
- https://security.gentoo.org/glsa/202101-30 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2020-6550
- https://www.debian.org/security/2021/dsa-4824 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/159609/Chrome-WebIDBGetDBNamesCallbacksImpl-SuccessNamesAndVersionsList-Use-After-Free.html | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2020-6550 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1867947 | Issue Tracking | |
| https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html | x_refsource_MISCRelease NotesVendor Advisory | |
| https://crbug.com/1106682 | x_refsource_MISCThird Party Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/ | vendor-advisoryx_refsource_FEDORA | |
| https://nvd.nist.gov/vuln/detail/CVE-2020-6550 | ||
| https://security.gentoo.org/glsa/202101-30 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2020-6550 | ||
| https://www.debian.org/security/2021/dsa-4824 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Chrome
Published Sep 21, 2020
Updated Aug 4, 2024
Reserved Jan 8, 2020
Link CVE-2020-6550
CISA Vulnrichment
Updated n/a