Description
libxar.so in xar 1.6.1 has a NULL pointer dereference in the xar_unserialize function in archive.c.
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 | xar | 1.8.0.498-1 | — |
| Debian 13 | xar | 1.8.0.498-1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xar | 1.8.0.0.503-1.1 | openSUSE-SU-2026:11103-1 |
| openSUSE Leap 16.0 | xar | 1.8.0.0.503-bp160.1.1 | openSUSE-SU-2026:21153-1 |
Advisories 2
- openSUSE-SU-2026:21153-1 Security update for xar SUSE / openSUSE Security Updates · Jun 30, 2026
- openSUSE-SU-2026:11103-1 libxar-devel-1.8.0.0.503-1.1 on GA media SUSE / openSUSE Security Updates · Jun 24, 2026