Description
Integer underflow in the olsr_print function in tcpdump 3.9.6 through 4.6.2, when in verbose mode, allows remote attackers to cause a denial of service (crash) via a crafted length value in an OLSR frame.
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 | 4.6.2-2 | — |
| Debian 13 | tcpdump | 4.6.2-2 | — |
| Debian 12 | tcpdump | 4.6.2-2 | — |
| 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 SP2 | libpcap | 1.8.1-9.1 | SUSE-SU-2017:1110-1 |
| SLES 12 SP2 | tcpdump | 4.9.0-13.1 | SUSE-SU-2017:1110-1 |
| SLES 12 SP1 | libpcap | 1.8.1-9.1 | SUSE-SU-2017:1110-1 |
| SLES 12 SP1 | tcpdump | 4.9.0-13.1 | SUSE-SU-2017:1110-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | libpcap | 1.8.1-9.1 | SUSE-SU-2017:1110-1 |
| SLES for SAP 12 SP2 | tcpdump | 4.9.0-13.1 | SUSE-SU-2017:1110-1 |
| SLES for SAP 12 SP1 | libpcap | 1.8.1-9.1 | SUSE-SU-2017:1110-1 |
| SLES for SAP 12 SP1 | tcpdump | 4.9.0-13.1 | SUSE-SU-2017:1110-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tcpdump | 4.7.4-3.4 | openSUSE-SU-2024:10396-1 |
Advisories 5
- 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-2017:1110-1 Security update for tcpdump, libpcap SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10396-1 tcpdump-4.7.4-3.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- MDVSA-2014:240 vendor-advisory
- MDVSA-2015:125 vendor-advisory
- http://packetstormsecurity.com/files/129155/tcpdump-4.6.2-OSLR-Denial-Of-Service.html
- openSUSE-SU-2015:0284 vendor-advisory
- tcpdump-cve20148767-dos(98765) vdb-entry
- 20141118 CVE-2014-8767 tcpdump denial of service in verbose mode using malformed OLSR payload mailing-list
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- 20141118 CVE-2014-8767 tcpdump denial of service in verbose mode using malformed OLSR payload mailing-list
- APPLE-SA-2015-08-13-2 vendor-advisory
- USN-2433-1 vendor-advisory
- DSA-3086 vendor-advisory
- http://advisories.mageia.org/MGASA-2014-0503.html
- 71150 vdb-entry
- https://support.apple.com/kb/HT205031