ALT-PU-2025-5034-3

Package update libtar in branch c9f2

Version1.2.20-alt4.git.6d0ab4c

Published2025-04-09

Max severityCRITICAL

Severity:

Closed issues (5)

MEDIUM5.8

Multiple directory traversal vulnerabilities in the (1) tar_extract_glob and (2) tar_extract_all functions in libtar 1.2.20 and earlier allow remote attackers to overwrite arbitrary files via a .. (dot dot) in a crafted tar file.

Published: 2014-02-20Modified: 2026-04-29

CVSS 2.0MEDIUM 5.8

CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:P/A:P

References

CRITICAL9.1

An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.

Published: 2022-08-10Modified: 2025-11-03

CVSS 3.xCRITICAL 9.1

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References

HIGH8.1

An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longname, causing an out-of-bounds read.

Published: 2022-08-10Modified: 2025-11-03

CVSS 3.xHIGH 8.1

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

References

HIGH7.5

The th_read() function doesn’t free a variable t->th_buf.gnu_longlink after allocating memory, which may cause a memory leak.

Published: 2022-08-10Modified: 2025-11-03

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

HIGH7.5

The th_read() function doesn’t free a variable t->th_buf.gnu_longname after allocating memory, which may cause a memory leak.

Published: 2022-08-10Modified: 2025-11-03

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References