Description
bchunk (related to BinChunker) 1.2.0 and 1.2.1 is vulnerable to a heap-based buffer overflow (with a resultant invalid free) and crash when processing a malformed CUE (.cue) 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 | bchunk | 1.2.0-12.1 | — |
| Debian 13 | bchunk | 1.2.0-12.1 | — |
| Debian 12 | bchunk | 1.2.0-12.1 | — |
| Debian 9 | bchunk | 1.2.0-12+deb9u1 | DSA-4026-1 |
| Debian 8 | bchunk | 1.2.0-12+deb8u1 | DSA-4026-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | bchunk | 1.2.0-12+deb7u1 | DLA-1158-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | bchunk | 1.2.0-12+deb8u1build0.16.04.1 | — |
| Ubuntu 14.04 LTS | bchunk | 1.2.0-12+deb8u1build0.14.04.1 | — |
Advisories 2
- DSA-4026-1 bchunk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1158-1 bchunk - security update Debian Security (DSA / DLA) · Mar 9, 2026