Description
Heap Buffer Overflow in the erofsfsck_dirent_iter function in fsck/main.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.
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 | erofs-utils | 1.6-2 | — |
| Debian 13 | erofs-utils | 1.6-2 | — |
| Debian 12 | erofs-utils | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | erofs-utils | No fix yet | — |
| Ubuntu 26.04 LTS | erofs-utils | No fix yet | — |
| Ubuntu 25.10 | erofs-utils | No fix yet | — |
| Ubuntu 24.04 LTS | erofs-utils | No fix yet | — |
| Ubuntu 22.04 LTS | erofs-utils | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | erofs-utils | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | erofs-utils | 1.7-1.1 | openSUSE-SU-2024:13318-1 |
Advisories 1
- openSUSE-SU-2024:13318-1 erofs-utils-1.7-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/lometsj/blog_repo/issues/2
- FEDORA-2023-f838326992 vendor-advisory
- FEDORA-2023-aadd651a30 vendor-advisory