CVE-2011-1935

CRITICAL

9.8

CVSS Score

Published: October 20, 2017 at 06:00 PM UTC

Updated: June 16, 2026 at 11:30 PM UTC

1 product affected across 1 vendorLibpcap

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Severity

CRITICAL9.8

Exploit prediction

EPSS 4%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Libpcap · Tcpdump

95%

1.1.1 ≤ v < 1.2.1

Affected range stops below 1.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (7)

x_refsource_MISCBroken LinkIssue TrackingThird Party Advisory

Source: [email protected]

http://article.gmane.org/gmane.network.tcpdump.devel/4968

x_refsource_CONFIRMBroken LinkIssue TrackingPatchThird Party Advisory

Source: [email protected]

http://thread.gmane.org/gmane.network.tcpdump.devel/5018

Mailing Listx_refsource_MLISTBroken LinkIssue TrackingPatchThird Party Advisory

Source: [email protected]

http://www.openwall.com/lists/oss-security/2011/05/19/11

Mailing Listx_refsource_MLISTThird Party Advisory

Source: [email protected]

http://www.openwall.com/lists/oss-security/2014/02/08/5

x_refsource_MISC

Source: [email protected]

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_MISCIssue TrackingPatchThird Party Advisory

Source: [email protected]

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=623868

x_refsource_MISCIssue TrackingThird Party Advisory

Source: [email protected]

https://security-tracker.debian.org/tracker/CVE-2011-1935/

CVSS

9.8CRITICAL[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfo

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