HIGH
Heap-based buffer overflow in Opera before 12.11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long HTTP response
Published Jan 2, 2013
9.3
HIGHCVSS 2.0
EPSS 4.14%
Description
Heap-based buffer overflow in Opera before 12.11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long HTTP response.
Affected products
No data.
OR
- ≤ 12.10
- 1.00
- 2.00
- 2.10
- 2.10
- 2.10
- 2.10
- 2.12
- 3.00
- 3.00
- 3.10
- 3.21
- 3.50
- 3.51
- 3.60
- 3.61
- 3.62
- 3.62
- 4.00
- 4.00
- 4.00
- 4.00
- 4.00
- 4.00
- 4.01
- 4.02
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.02
- 5.10
- 5.11
- 5.12
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.1
- 6.01
- 6.1
- 6.02
- 6.03
- 6.04
- 6.05
- 6.06
- 6.11
- 6.12
- 7.0
- 7.0
- 7.0
- 7.0
- 7.01
- 7.02
- 7.03
- 7.10
- 7.10
- 7.11
- 7.11
- 7.20
- 7.20
- 7.21
- 7.22
- 7.23
- 7.50
- 7.50
- 7.51
- 7.52
- 7.53
- 7.54
- 7.54
- 7.54
- 7.60
- 8.0
- 8.0
- 8.0
- 8.0
- 8.01
- 8.02
- 8.50
- 8.51
- 8.52
- 8.53
- 8.54
- 9.0
- 9.0
- 9.0
- 9.01
- 9.02
- 9.10
- 9.12
- 9.20
- 9.20
- 9.21
- 9.22
- 9.23
- 9.24
- 9.25
- 9.26
- 9.27
- 9.50
- 9.50
- 9.50
- 9.51
- 9.52
- 9.60
- 9.60
- 9.61
- 9.62
- 9.63
- 9.64
- 10.00
- 10.00
- 10.00
- 10.00
- 10.00
- 10.01
- 10.10
- 10.10
- 10.11
- 10.20
- 10.50
- 10.50
- 10.50
- 10.51
- 10.52
- 10.52
- 10.52
- 10.53
- 10.53
- 10.53
- 10.54
- 10.60
- 10.60
- 10.60
- 10.61
- 10.62
- 10.63
- 11.00
- 11.00
- 11.01
- 11.10
- 11.10
- 11.11
- 11.50
- 11.50
- 11.51
- 11.52
- 11.52.1100
- 11.60
- 11.60
- 11.61
- 11.62
- 11.64
- 11.65
- 11.66
- 12.00
- 12.00
- 12.01
- 12.02
- 12.10
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.
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.
4.14% 0.04141
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04141
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.14% (0.04141) | 90.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.14% (0.04141) | 89.50th | v5 (v2026.06.15) |
| Sep 25, 2025 | 6.42% (0.06417) | 90.68th | v4 (v2025.03.14) |
| Mar 30, 2025 | 8.06% (0.08063) | 91.32th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.37% (0.06373) | 84.57th | v4 (v2025.03.14) |
| Mar 19, 2025 | 8.06% (0.08063) | 91.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.56% (0.09558) | 92.28th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.82% (0.01822) | 87.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.41% (0.03410) | 89.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.15% (0.04146) | 86.08th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.15% (0.04146) | 84.67th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.15% (0.04146) | 68.31th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://www.opera.com/docs/changelogs/unified/1211/ x_refsource_CONFIRM
- http://www.opera.com/support/kb/view/1036/ x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/56594 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://www.opera.com/docs/changelogs/unified/1211/ | x_refsource_CONFIRM | |
| http://www.opera.com/support/kb/view/1036/ | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/56594 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 2, 2013
Updated Aug 6, 2024
Reserved Jan 2, 2013
Link CVE-2012-6468
CISA Vulnrichment
Updated n/a