CVE-2023-1801
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when...
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
6.5
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.
- Record
CVE-2023-1801- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.
- Record
CVE-2023-1801- Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2023-24003 No score
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.
- Record
EUVD-2023-24003- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-44xc-f95p-5vmh
9.8
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when...
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.
- Record
GHSA-44xc-f95p-5vmh- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-1801
6.5
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.
- Record
DEBIAN-CVE-2023-1801- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVOESA-2023-1243
5.5
tcpdump security update
Tcpdump is a command-line tool for monitoring network traffic. Tcpdump can capture and display the packet headers on a particular network interface or on all interfaces. Tcpdump can display all of the packet headers, or just the ones that match particular criteria.
Security Fix(es):
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.(CVE-2023-1801)
- Record
OESA-2023-1243- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVOESA-2023-1244
5.5
tcpdump security update
Tcpdump is a command-line tool for monitoring network traffic. Tcpdump can capture and display the packet headers on a particular network interface or on all interfaces. Tcpdump can display all of the packet headers, or just the ones that match particular criteria.
Security Fix(es):
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.(CVE-2023-1801)
- Record
OESA-2023-1244- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV No score
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.
- Record
CVE-2023-1801- Weakness
- CWE-787
- Updated
- 2026-11-02
OSVMGASA-2023-0154 No score
Updated tcpdump packages fix security vulnerability
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet. (CVE-2023-1801)
- Record
MGASA-2023-0154- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:12850-1 No score
tcpdump-4.99.4-1.1 on GA media
These are all security issues fixed in the tcpdump-4.99.4-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:12850-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
tcpdumpDebian:12 |
All versions, plus listed versions 4.99.3-14.99.4-14.99.4-24.99.4-34.99.4-4 Show 6 moreShow less4.99.4-54.99.5-14.99.5-24.99.5-34.99.6-14.99.6-2 |
None known |
tcpdumpDebian:13 |
before 4.99.4-2 | 4.99.4-2 |
tcpdumpDebian:14 |
before 4.99.4-2 | 4.99.4-2 |
tcpdumpMageia:8 |
before 4.99.2-1.1.mga8 | 4.99.2-1.1.mga8 |
tcpdumpopenEuler:22.03-LTS |
before 4.99.1-6.oe2203 | 4.99.1-6.oe2203 |
tcpdumpopenEuler:22.03-LTS-SP1 |
before 4.99.1-6.oe2203sp1 | 4.99.1-6.oe2203sp1 |
tcpdumpopenSUSE:Tumbleweed |
before 4.99.4-1.1 | 4.99.4-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-1801 is a medium vulnerability (CVSS 6.5) in Tcpdump, published April 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 58th percentile. Fixed in tcpdump 4.99.4-2.
References
github.com/the-tcpdump-group/tcpdump/commit/7578e1c04ee280dda50c4c2813e7d55f539c6501
github.com/the-tcpdump-group/tcpdump/commit/03c037bbd75588beba3ee09f26d17783d21e30bc
lists.fedoraproject.org/archives/list/[email protected]/message/KOA2BJFERAC3VRQIRHJOWN4HZY4ZA7CH
lists.fedoraproject.org/archives/list/[email protected]/message/WYL5DEVHRJYF2CM5LTCZKEYFYDZAIZSN
lists.fedoraproject.org/archives/list/[email protected]/message/ZLLZCG23MU6O4QOG2CX3DLEL3YXP6LAI
support.apple.com/kb/HT213844
Show 11 moreShow less
support.apple.com/kb/HT213845
nvd.nist.gov/vuln/detail/CVE-2023-1801
github.com/advisories/GHSA-44xc-f95p-5vmh
github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1801.json
security-tracker.debian.org/tracker/CVE-2023-1801
advisories.mageia.org/MGASA-2023-0154.html
bugs.mageia.org/show_bug.cgi?id=31782
git.tcpdump.org/tcpdump/blob/HEAD:/CHANGES
openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1243
openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1244
suse.com/security/cve/CVE-2023-1801