Description
ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.
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 | znc | 1.8.1-1 | — |
| Debian 13 | znc | 1.8.1-1 | — |
| Debian 12 | znc | 1.8.1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | znc | No fix yet | — |
| Ubuntu Pro 18.04 LTS | znc | No fix yet | — |
| Ubuntu Pro 16.04 LTS | znc | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | znc | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | znc | 1.8.1-r0 | — |
| Alpine v3.23 | znc | 1.8.1-r0 | — |
| Alpine v3.22 | znc | 1.8.1-r0 | — |
| Alpine v3.21 | znc | 1.8.1-r0 | — |
| Alpine v3.20 | znc | 1.8.1-r0 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | znc | 1.8.1-r0 | — |
| Alpine v3.18 | znc | 1.8.1-r0 | — |
| Alpine v3.17 | znc | 1.8.1-r0 | — |
| Alpine v3.16 | znc | 1.8.1-r0 | — |
| Alpine v3.15 | znc | 1.8.1-r0 | — |
| Alpine v3.14 | znc | 1.8.1-r0 | — |
| Alpine v3.13 | znc | 1.8.1-r0 | — |
| Alpine v3.12 | znc | 1.8.1-r0 | — |