Stack-based buffer overflow in the nestlex function in nestlex.c in Socat 1.5.0.0 through 1.7.1.2 and 2.0.0-b1 through 2.0.0-b3, when bidirectional data relay is enabled, allows context-dependent attackers to execute arbitrary code via long command-line arguments
Published Sep 14, 2010
6.8
MEDIUMCVSS 2.0
EPSS 2.75%
Description
Stack-based buffer overflow in the nestlex function in nestlex.c in Socat 1.5.0.0 through 1.7.1.2 and 2.0.0-b1 through 2.0.0-b3, when bidirectional data relay is enabled, allows context-dependent attackers to execute arbitrary code via long command-line arguments.
Affected products
No data.
- 1.5.0.0
- 1.6.0.0
- 1.6.0.1
- 1.7.0.0
- 1.7.0.1
- 1.7.1.0
- 1.7.1.1
- 2.0.0
- 2.0.0
- 2.0.0
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.
AV:N/AC:M/Au:N/C:P/I:P/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 | 2.75% (0.02752) | 85.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.75% (0.02752) | 84.24th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.42% (0.01422) | 79.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.29% (0.01286) | 86.37th | v3 (v2023.03.01) |
| May 17, 2024 | 1.29% (0.01286) | 85.73th | v3 (v2023.03.01) |
| May 8, 2023 | 1.29% (0.01286) | 83.72th | v3 (v2023.03.01) |
| May 5, 2023 | 1.37% (0.01366) | 84.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.23% (0.01233) | 83.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.21% (0.03214) | 84.13th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.21% (0.03214) | 82.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.21% (0.03214) | 65.20th | v2 (v2022.01.01) |
References (7)
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=591443 x_refsource_CONFIRM
- http://bugs.gentoo.org/show_bug.cgi?id=330785 x_refsource_CONFIRM
- http://www.debian.org/security/2010/dsa-2090 vendor-advisoryx_refsource_DEBIAN
- http://www.dest-unreach.org/socat/contrib/socat-secadv2.html x_refsource_CONFIRMVendor Advisory
- http://www.dest-unreach.org/socat/download/socat-1.7.1.3.patch x_refsource_CONFIRMPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=620426 x_refsource_CONFIRM
- https://github.com/msmania/poodim/commit/6340d5d2c81e55e61522c4b40a6cdd5c39738cc6
| Link | Providers | Tags |
|---|---|---|
| http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=591443 | x_refsource_CONFIRM | |
| http://bugs.gentoo.org/show_bug.cgi?id=330785 | x_refsource_CONFIRM | |
| http://www.debian.org/security/2010/dsa-2090 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.dest-unreach.org/socat/contrib/socat-secadv2.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.dest-unreach.org/socat/download/socat-1.7.1.3.patch | x_refsource_CONFIRMPatch | |
| https://bugzilla.redhat.com/show_bug.cgi?id=620426 | x_refsource_CONFIRM | |
| https://github.com/msmania/poodim/commit/6340d5d2c81e55e61522c4b40a6cdd5c39738cc6 |
Change history (0)
No recorded changes yet.