Description
nfdump 1.6.17 and earlier is affected by an integer overflow in the function Process_ipfix_template_withdraw in ipfix.c that can be abused in order to crash the process remotely (denial of service).
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 | nfdump | 1.6.18-1 | — |
| Debian 13 | nfdump | 1.6.18-1 | — |
| Debian 12 | nfdump | 1.6.18-1 | — |
| Debian 9 | nfdump | 1.6.15-3+deb9u1 | DLA-2383-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | nfdump | 1.6.16-3ubuntu0.1~esm1 | USN-9079-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | nfdump | 1.6.18-r0 | — |
| Alpine v3.23 | nfdump | 1.6.18-r0 | — |
| Alpine v3.22 | nfdump | 1.6.18-r0 | — |
| Alpine v3.21 | nfdump | 1.6.18-r0 | — |
| Alpine v3.20 | nfdump | 1.6.18-r0 | — |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | nfdump | 1.6.18-r0 | — |
| Alpine v3.18 | nfdump | 1.6.18-r0 | — |
| Alpine v3.17 | nfdump | 1.6.18-r0 | — |
| Alpine v3.16 | nfdump | 1.6.18-r0 | — |
| Alpine v3.15 | nfdump | 1.6.18-r0 | — |
| Alpine v3.14 | nfdump | 1.6.18-r0 | — |
| Alpine v3.13 | nfdump | 1.6.18-r0 | — |
| Alpine v3.12 | nfdump | 1.6.18-r0 | — |
| Alpine v3.11 | nfdump | 1.6.18-r0 | — |
| Alpine v3.10 | nfdump | 1.6.18-r0 | — |
| Alpine v3.9 | nfdump | 1.6.18-r0 | — |
| Alpine v3.8 | nfdump | 1.6.17-r1 | — |
| Alpine v3.7 | nfdump | 1.6.15-r1 | — |
Advisories 2
- USN-9079-1 nfdump vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- DLA-2383-1 nfdump - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://github.com/phaag/nfdump/issues/171
- https://github.com/phaag/nfdump/commit/3b006ededaf351f1723aea6c727c9edd1b1fff9b
- FEDORA-2019-0fbfb00cbb vendor-advisory
- FEDORA-2019-9013b5e75d vendor-advisory
- GLSA-202003-17 vendor-advisory
- [debian-lts-announce] 20200926 [SECURITY] [DLA 2383-1] nfdump security update mailing-list