HIGH
chromium-browser: Use after free in offline mode
Published Sep 21, 2020
8.8
HIGHCVSS 3.1
EPSS 1.52%
Description
Use after free in offline mode in Google Chrome on iOS 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 1
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.
1.52% 0.01521
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.01521
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.52% (0.01521) | 73.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.50% (0.01503) | 70.89th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.58% (0.01578) | 79.86th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.59% (0.02587) | 75.96th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.58% (0.01578) | 80.30th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.83% (0.00831) | 82.20th | v3 (v2023.03.01) |
| Jul 11, 2024 | 0.83% (0.00831) | 82.17th | v3 (v2023.03.01) |
| Apr 11, 2024 | 0.70% (0.00696) | 79.94th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.70% (0.00696) | 77.93th | v3 (v2023.03.01) |
| Jun 7, 2023 | 0.98% (0.00985) | 81.34th | v3 (v2023.03.01) |
| Apr 28, 2023 | 0.89% (0.00891) | 80.28th | v3 (v2023.03.01) |
| Apr 2, 2023 | 0.64% (0.00641) | 76.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.62% (0.00619) | 75.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 27.77% (0.27766) | 95.97th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.36% (0.00355) | 3.24th | v1 |
| Jan 6, 2022 | 0.36% (0.00355) | 3.26th | v1 |
| Apr 14, 2021 | 0.08% (0.00079) | 0.00th | v1 |
Weaknesses (2)
References (8)
- https://access.redhat.com/security/cve/CVE-2020-6553 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1867950 Issue Tracking
- https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html x_refsource_MISCVendor Advisory
- https://crbug.com/1111307 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-2020-6553
- https://www.cve.org/CVERecord?id=CVE-2020-6553
- https://www.debian.org/security/2021/dsa-4824 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2020-6553 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1867950 | Issue Tracking | |
| https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html | x_refsource_MISCVendor Advisory | |
| https://crbug.com/1111307 | 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-2020-6553 | ||
| https://www.cve.org/CVERecord?id=CVE-2020-6553 | ||
| 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-2020-6553
CISA Vulnrichment
Updated n/a