Description
libmobi before v0.10 contains a NULL pointer dereference via the component mobi_buffer_getpointer. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted mobi file.
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 | libmobi | 0.11+dfsg-1 | — |
| Debian 13 | libmobi | 0.11+dfsg-1 | — |
| Debian 12 | libmobi | 0.11+dfsg-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libmobi | No fix yet | — |
| Ubuntu 26.04 LTS | libmobi | No fix yet | — |
| Ubuntu 25.10 | libmobi | No fix yet | — |
| Ubuntu 24.04 LTS | libmobi | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | libmobi | 0.9+dfsg1-1ubuntu0.1~esm1 | USN-7638-1 |
Advisories 1
- USN-7638-1 libmobi vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026