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10 vulnerabilities by The Tcpdump Group
CVE-2025-11964 (GCVE-0-2025-11964)
Vulnerability from cvelistv5 – Published: 2025-12-31 00:58 – Updated: 2026-01-02 14:38
VLAI
Title
OOBW in utf_16le_to_utf_8_truncated() in libpcap
Summary
On Windows only, if libpcap needs to convert a Windows error message to UTF-8 and the message includes characters that UTF-8 represents using 4 bytes, utf_16le_to_utf_8_truncated() can write data beyond the end of the provided buffer.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/the-tcpdump-group/libpcap/comm… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Tcpdump Group | libpcap |
Affected:
1.10.0 , < 1.10.6
(semver)
|
Credits
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"type": "reporter",
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},
{
"lang": "en",
"type": "reporter",
"value": "Mahmoud Alfadel"
},
{
"lang": "en",
"type": "reporter",
"value": "Mei Nagappan"
},
{
"lang": "en",
"type": "reporter",
"value": "Meng Xu"
}
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CVE-2025-11961 (GCVE-0-2025-11961)
Vulnerability from cvelistv5 – Published: 2025-12-31 00:56 – Updated: 2026-01-02 14:38
VLAI
Title
OOBR and OOBW in pcap_ether_aton() in libpcap
Summary
pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer. The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented. If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/the-tcpdump-group/libpcap/comm… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Tcpdump Group | libpcap |
Affected:
0 , < 1.10.6
(semver)
|
Credits
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"type": "reporter",
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CVE-2024-8006 (GCVE-0-2024-8006)
Vulnerability from cvelistv5 – Published: 2024-08-30 23:53 – Updated: 2024-09-03 19:17
VLAI
Title
NULL pointer dereference in libpcap before 1.10.5 with remote packet capture support
Summary
Remote packet capture support is disabled by default in libpcap. When a user builds libpcap with remote packet capture support enabled, one of the functions that become available is pcap_findalldevs_ex(). One of the function arguments can be a filesystem path, which normally means a directory with input data files. When the specified path cannot be used as a directory, the function receives NULL from opendir(), but does not check the return value and passes the NULL value to readdir(), which causes a NULL pointer derefence.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Tcpdump Group | libpcap |
Affected:
1.9.x
Affected: 1.10.x , ≤ 1.10.4 (semver) |
Credits
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CVE-2023-7256 (GCVE-0-2023-7256)
Vulnerability from cvelistv5 – Published: 2024-08-30 23:44 – Updated: 2024-09-03 20:07
VLAI
Title
Double-free in libpcap before 1.10.5 with remote packet capture support.
Summary
In affected libpcap versions during the setup of a remote packet capture the internal function sock_initaddress() calls getaddrinfo() and possibly freeaddrinfo(), but does not clearly indicate to the caller function whether freeaddrinfo() still remains to be called after the function returns. This makes it possible in some scenarios that both the function and its caller call freeaddrinfo() for the same allocated memory block. A similar problem was reported in Apple libpcap, to which Apple assigned CVE-2023-40400.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-415 - Double Free
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Tcpdump Group | libpcap |
Affected:
1.8.x
Affected: 1.9.x Affected: 1.10.x , ≤ 1.10.4 (semver) |
Credits
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"datePublished": "2024-08-30T23:44:04.383Z",
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CVE-2024-2397 (GCVE-0-2024-2397)
Vulnerability from cvelistv5 – Published: 2024-04-12 13:22 – Updated: 2025-02-13 17:40
VLAI
Title
infinite loop in the PPP printer of tcpdump
Summary
Due to a bug in packet data buffers management, the PPP printer in tcpdump can enter an infinite loop when reading a crafted DLT_PPP_SERIAL .pcap savefile. This problem does not affect any tcpdump release, but it affected the git master branch from 2023-06-05 to 2024-03-21.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Tcpdump Group | tcpdump |
Affected:
0d4083e , < b9811ef
(git)
|
Date Public
2024-04-12 11:00
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CVE-2023-1801 (GCVE-0-2023-1801)
Vulnerability from cvelistv5 – Published: 2023-04-07 20:40 – Updated: 2025-02-13 16:39
VLAI
Summary
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.
Severity
No CVSS data available.
CWE
- CWE-787 - out-of-bounds write
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Tcpdump Group | tcpdump |
Affected:
4.99.3
|
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CVE-2021-41043 (GCVE-0-2021-41043)
Vulnerability from cvelistv5 – Published: 2022-01-05 11:34 – Updated: 2024-08-04 02:59
VLAI
Summary
Use after free in tcpslice triggers AddressSanitizer, no other confirmed impact.
Severity
No CVSS data available.
CWE
- CWE-416 - use after free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/the-tcpdump-group/tcpslice/issues/11 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Tcpdump Group | tcpslice |
Affected:
unspecified , < 1.5
(custom)
|
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CVE-2020-8036 (GCVE-0-2020-8036)
Vulnerability from cvelistv5 – Published: 2020-11-04 17:55 – Updated: 2024-09-16 23:42
VLAI
Title
str2tokbuf used incorrectly by print-someip.c
Summary
The tok2strbuf() function in tcpdump 4.10.0-PRE-GIT was used by the SOME/IP dissector in an unsafe way.
Severity
No CVSS data available.
CWE
- overread error
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/the-tcpdump-group/tcpdump/comm… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The TCPdump Group | tcpdump |
Affected:
4.10.0-PRE-GIT
|
Date Public
2020-02-29 00:00
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CVE-2020-8037 (GCVE-0-2020-8037)
Vulnerability from cvelistv5 – Published: 2020-11-04 17:55 – Updated: 2024-09-16 20:27
VLAI
Title
ppp decapsulator can be convinced to allocate a large amount of memory
Summary
The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.
Severity
No CVSS data available.
CWE
- memory overallocation error
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/the-tcpdump-group/tcpdump/comm… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| http://seclists.org/fulldisclosure/2021/Apr/51 | mailing-listx_refsource_FULLDISC |
| https://support.apple.com/kb/HT212325 | x_refsource_CONFIRM |
| https://support.apple.com/kb/HT212326 | x_refsource_CONFIRM |
| https://support.apple.com/kb/HT212327 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The TCPdump Group | tcpdump |
Affected:
4.9.3
|
Date Public
2020-04-21 00:00
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CVE-2018-16301 (GCVE-0-2018-16301)
Vulnerability from cvelistv5 – Published: 2019-10-03 15:55 – Updated: 2024-08-05 10:17
VLAI
Summary
The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile(). To trigger this vulnerability the attacker needs to create a 4GB file on the local filesystem and to specify the file name as the value of the -F command-line argument of tcpdump.
Severity
No CVSS data available.
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/the-tcpdump-group/tcpdump/comm… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Tcpdump Group | tcpdump |
Affected:
unspecified , < 4.99.0
(custom)
|
Credits
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