pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when…
Priority MEDIUM 48Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.03649 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tcpdump:libpcap:*:*:*:*:*:*:*:* | 1.1.1 to before 1.2.1 | Vulnerable | The Tcpdump Group |
- cpe:2.3:a:tcpdump:libpcap:*:*:*:*:*:*:*:* Versions 1.1.1 to before 1.2.1 Vulnerable ·The Tcpdump Group
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-1935
- 2026-10-03 Alias added: GHSA-9x67-6959-6grf
References
Patch 3
Advisory 3
More The Tcpdump Group Libpcap vulnerabilities
- TI-2019-11323 rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service… CVSS 3.1HIGH 7.5
- TI-2019-11325 sf-pcapng.c in libpcap before 1.9.1 does not properly validate the PHB header length before allocating memory. CVSS 3.1MEDIUM 5.3
- TI-2019-11324 rpcapd/daemon.c in libpcap before 1.9.1 allows SSRF because a URL may be provided as a capture source. CVSS 3.1MEDIUM 5.3
- TI-2019-11321 rpcapd/daemon.c in libpcap before 1.9.1 mishandles certain length values because of reuse… CVSS 3.1MEDIUM 5.3
- TI-2019-11322 rpcapd/daemon.c in libpcap before 1.9.1 on non-Windows platforms provides details about… CVSS 3.1MEDIUM 5.3
- TI-2024-07420 NULL pointer dereference in libpcap before 1.10.5 with remote packet capture support CVSS 3.1MEDIUM 4.4
Sources
- CVE-2011-1935 · CVE Program
- CVE-2011-1935 · NVD
- FIRST EPSS
- GHSA-9x67-6959-6grf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences