pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.
Fix
Patch, vendor advisory and mitigation references on NVD 4
- http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120 Mailing List, Patch, Vendor Advisory
- https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241 Issue Tracking, Patch, Third Party Advisory
- http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120 Mailing List, Patch, Vendor Advisory
- https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241 Issue Tracking, Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.5 · gnu, opensuseNVD modified 2026-10-14 07:16
Affected (CPE criteria) 2
cpe:2.3:a:gnu:tar:*:*:*:*:*:*:*:*cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
References 13
- http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120 Mailing List, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html Mailing List, Third Party Advisory
- http://savannah.gnu.org/bugs/?55369 Permissions Required, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241 Issue Tracking, Patch, Third Party Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120 Mailing List, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html Mailing List, Third Party Advisory
- http://savannah.gnu.org/bugs/?55369 Permissions Required, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241 Issue Tracking, Patch, Third Party Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html