icu: DoS (out-of bounds read) via vectors related to regular expression
Published Oct 9, 2012
5.0
MEDIUMCVSS 2.0
EPSS 1.22%
Description
The International Components for Unicode (ICU) functionality in Google Chrome before 22.0.1229.92 allows remote attackers to cause a denial of service (out-of-bounds read) via vectors related to a regular expression.
Affected products
No data.
- ≤ 22.0.1229.91
- 22.0.1229.0
- 22.0.1229.1
- 22.0.1229.2
- 22.0.1229.3
- 22.0.1229.4
- 22.0.1229.6
- 22.0.1229.7
- 22.0.1229.8
- 22.0.1229.9
- 22.0.1229.10
- 22.0.1229.11
- 22.0.1229.12
- 22.0.1229.14
- 22.0.1229.16
- 22.0.1229.17
- 22.0.1229.18
- 22.0.1229.20
- 22.0.1229.21
- 22.0.1229.22
- 22.0.1229.23
- 22.0.1229.24
- 22.0.1229.25
- 22.0.1229.26
- 22.0.1229.27
- 22.0.1229.28
- 22.0.1229.29
- 22.0.1229.31
- 22.0.1229.32
- 22.0.1229.33
- 22.0.1229.35
- 22.0.1229.36
- 22.0.1229.37
- 22.0.1229.39
- 22.0.1229.48
- 22.0.1229.49
- 22.0.1229.50
- 22.0.1229.51
- 22.0.1229.52
- 22.0.1229.53
- 22.0.1229.54
- 22.0.1229.55
- 22.0.1229.56
- 22.0.1229.57
- 22.0.1229.58
- 22.0.1229.59
- 22.0.1229.60
- 22.0.1229.62
- 22.0.1229.63
- 22.0.1229.64
- 22.0.1229.65
- 22.0.1229.67
- 22.0.1229.76
- 22.0.1229.78
- 22.0.1229.79
- 22.0.1229.89
No data.
Red Hat Directory Server 8
icu
Not affected
Red Hat Enterprise Linux 5
icu
Will not fix
Red Hat Enterprise Linux 6
icu
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Directory Server 8 | icu | Not affected | n/a |
| Red Hat Enterprise Linux 5 | icu | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | icu | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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:N/I:N/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.22% (0.01224) | 67.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.22% (0.01224) | 64.75th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.53% (0.00526) | 65.08th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.36% (0.00364) | 73.25th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.36% (0.00364) | 71.59th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.36% (0.00364) | 69.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00290) | 64.10th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (7)
- http://googlechromereleases.blogspot.com/2012/10/stable-channel-update.html x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2012-5109 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=864538 Issue Tracking
- https://code.google.com/p/chromium/issues/detail?id=148692 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2012-5109
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15774 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-5109
| Link | Providers | Tags |
|---|---|---|
| http://googlechromereleases.blogspot.com/2012/10/stable-channel-update.html | x_refsource_CONFIRM | |
| https://access.redhat.com/security/cve/CVE-2012-5109 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=864538 | Issue Tracking | |
| https://code.google.com/p/chromium/issues/detail?id=148692 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-5109 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15774 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2012-5109 |
Change history (0)
No recorded changes yet.