CRITICAL
pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when snaplen is set may truncate packets, which might allow remote attackers to send arbitrary data while avoiding detection via crafted packets
Published Oct 20, 2017
9.8
CRITICALCVSS 3.1
EPSS 3.65%
Description
pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when snaplen is set may truncate packets, which might allow remote attackers to send arbitrary data while avoiding detection via crafted packets.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.65% 0.03649
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03649
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.65% (0.03649) | 89.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.65% (0.03649) | 88.11th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.32% (0.01317) | 78.03th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.79% (0.02786) | 76.75th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.32% (0.01317) | 78.49th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.68% (0.00676) | 80.55th | v3 (v2023.03.01) |
| Apr 10, 2024 | 0.68% (0.00676) | 79.56th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.68% (0.00676) | 77.55th | v3 (v2023.03.01) |
| Mar 13, 2023 | 0.65% (0.00649) | 76.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.70% (0.00698) | 77.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (7)
- http://article.gmane.org/gmane.network.tcpdump.devel/4968 x_refsource_MISCBroken LinkIssue TrackingThird Party Advisory
- http://thread.gmane.org/gmane.network.tcpdump.devel/5018 x_refsource_CONFIRMBroken LinkIssue TrackingPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/05/19/11 mailing-listx_refsource_MLISTBroken LinkIssue TrackingMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2014/02/08/5 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1%3Bbug=623868%3Bfilename=0001-Fix-the-calculation-of-the-frame-size-in-memory-mapp.patch%3Bmsg=10 x_refsource_MISC
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=623868 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-1935/ x_refsource_MISCIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://article.gmane.org/gmane.network.tcpdump.devel/4968 | x_refsource_MISCBroken LinkIssue TrackingThird Party Advisory | |
| http://thread.gmane.org/gmane.network.tcpdump.devel/5018 | x_refsource_CONFIRMBroken LinkIssue TrackingPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2011/05/19/11 | mailing-listx_refsource_MLISTBroken LinkIssue TrackingMailing ListPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2014/02/08/5 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1%3Bbug=623868%3Bfilename=0001-Fix-the-calculation-of-the-frame-size-in-memory-mapp.patch%3Bmsg=10 | x_refsource_MISC | |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=623868 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://security-tracker.debian.org/tracker/CVE-2011-1935/ | x_refsource_MISCIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Oct 20, 2017
Updated Aug 6, 2024
Reserved May 9, 2011
Link CVE-2011-1935
CISA Vulnrichment
Updated n/a