Description
direntry.c in Midnight Commander (mc) 4.5.55 and earlier allows attackers to cause a denial of service by "manipulating non-existing file handles."
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 | mc | 1:4.6.0-4.6.1-pre3-1 | — |
| Debian 13 | mc | 1:4.6.0-4.6.1-pre3-1 | — |
| Debian 12 | mc | 1:4.6.0-4.6.1-pre3-1 | — |
| Debian 3.0 | mc | 4.5.55-1.2woody5 | DSA-639-1 |
Advisories 1
- DSA-639-1 mc - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- 13863 third-party-advisory
- 1012903 vdb-entry
- DSA-639 vendor-advisory
- midnight-commander-direntry-dos(18909) vdb-entry
- RHSA-2005:512 vendor-advisory