HIGH
regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion
Published Feb 12, 2020
7.5
HIGHCVSS 3.1
EPSS 6.49%
Description
regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
Affected products
-
- Version through 2011StatusaffectedConstraints-
- Version
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.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
6.49% 0.06485
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.06485
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.49% (0.06485) | 93.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.54% (0.06538) | 92.90th | v5 (v2026.06.15) |
| Jul 27, 2025 | 24.64% (0.24637) | 95.88th | v4 (v2025.03.14) |
| Mar 17, 2025 | 20.85% (0.20848) | 95.14th | v4 (v2025.03.14) |
| Feb 23, 2025 | 1.92% (0.01924) | 88.52th | v3 (v2023.03.01) |
| Jan 21, 2025 | 3.33% (0.03326) | 91.25th | v3 (v2023.03.01) |
| Dec 12, 2024 | 5.41% (0.05407) | 93.43th | v3 (v2023.03.01) |
| Oct 9, 2024 | 5.03% (0.05028) | 93.04th | v3 (v2023.03.01) |
| Jun 7, 2024 | 6.09% (0.06091) | 93.53th | v3 (v2023.03.01) |
| Dec 2, 2023 | 6.30% (0.06299) | 92.84th | v3 (v2023.03.01) |
| Oct 12, 2023 | 4.55% (0.04547) | 91.55th | v3 (v2023.03.01) |
| Aug 4, 2023 | 3.45% (0.03454) | 90.22th | v3 (v2023.03.01) |
| Jul 18, 2023 | 2.65% (0.02649) | 88.92th | v3 (v2023.03.01) |
| Jul 2, 2023 | 3.22% (0.03221) | 89.83th | v3 (v2023.03.01) |
| May 31, 2023 | 2.59% (0.02591) | 88.73th | v3 (v2023.03.01) |
| Apr 15, 2023 | 1.88% (0.01881) | 86.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.70% (0.01703) | 85.79th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.38% (0.08382) | 93.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.38% (0.08382) | 93.35th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.38% (0.08382) | 82.62th | v2 (v2022.01.01) |
Weaknesses (1)
References (4)
- http://seclists.org/fulldisclosure/2014/Mar/166 mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/50541 vdb-entryx_refsource_BIDExploitThird Party AdvisoryVDB Entry
- https://cxsecurity.com/issue/WLB-2011110082 x_refsource_MISCExploitThird Party Advisory
- https://www.securityfocus.com/archive/1/520390 mailing-listx_refsource_BUGTRAQExploitThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/fulldisclosure/2014/Mar/166 | mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/50541 | vdb-entryx_refsource_BIDExploitThird Party AdvisoryVDB Entry | |
| https://cxsecurity.com/issue/WLB-2011110082 | x_refsource_MISCExploitThird Party Advisory | |
| https://www.securityfocus.com/archive/1/520390 | mailing-listx_refsource_BUGTRAQExploitThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Feb 12, 2020
Updated Aug 6, 2024
Reserved Aug 29, 2011
Link CVE-2011-3336
CISA Vulnrichment
Updated n/a