Description
Buffer overflow in the ppp_hdlc function in print-ppp.c in tcpdump 4.6.2 and earlier allows remote attackers to cause a denial of service (crash) cia a crafted PPP packet.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | tcpdump | 4.6.2-3 | — |
| Debian 13 | tcpdump | 4.6.2-3 | — |
| Debian 12 | tcpdump | 4.6.2-3 | — |
| Debian 7 | tcpdump | 4.3.0-1+deb7u1 | DSA-3086-1 |
| Debian 6.0 | tcpdump | 4.1.1-1+deb6u1 | DLA-102-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | tcpdump | 4.5.1-2ubuntu1.1 | USN-2433-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | tcpdump | 4.5.1-7.1 | SUSE-SU-2015:0679-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | tcpdump | 4.5.1-7.1 | SUSE-SU-2015:0679-1 |
Advisories 4
- DSA-3086-1 tcpdump - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-102-1 tcpdump - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2433-1 tcpdump vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2015:0679-1 Security update for tcpdump SUSE / openSUSE Security Updates · Feb 4, 2026
References
- MDVSA-2014:240 vendor-advisory
- MDVSA-2015:125 vendor-advisory
- http://packetstormsecurity.com/files/130730/tcpdump-Denial-Of-Service-Code-Execution.html
- https://github.com/the-tcpdump-group/tcpdump/commit/0f95d441e4b5d7512cc5c326c8668a120e048eda
- APPLE-SA-2015-08-13-2 vendor-advisory
- 20150309 tcpdump 4.7.2 remote crashes mailing-list
- http://advisories.mageia.org/MGASA-2014-0511.html
- USN-2433-1 vendor-advisory
- openSUSE-SU-2015:0616 vendor-advisory
- DSA-3086 vendor-advisory
- 71468 vdb-entry
- https://support.apple.com/kb/HT205031
- DSA-3193 vendor-advisory
- [tcpdump] 20141124 Re: Official patches for CVE-2014-8767/CVE-2014-8768/CVE-2014-8769? mailing-list