9.8

CVE-2011-1935: tcpdump libpcap

CVSS: 9.8v3.1CriticalModified
AliasesDEBIAN-CVE-2011-1935
Published 20-10-2017Last modified 06-08-2024

Vulnerability summary

CVE-2011-1935 is a critical (CVSS 9.8) vulnerability in tcpdump libpcap. EPSS estimates a 3.65% chance of exploitation in the next 30 days, higher than 89.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.65%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-10-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.65%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.65% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.65%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian1 product
  • libpcap< 1.1.1-4
Tcpdump1 product

2 vendors · 2 products

References

8 links