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CVE-2025-25724

Date: March 1, 2025

list_item_verbose in tar/util.c in libarchive through 3.7.7 does not check an strftime return value, which can lead to a denial of service or unspecified other impact via a crafted TAR archive that is read with a verbose value of 2. For example, the 100-byte buffer may not be sufficient for a custom locale.

Severity Score

Related Resources (7)

https://gist.github.com/Ekkosun/a83870ce7f3b7813b9b462a395e8ad92
https://security.alpinelinux.org/vuln/CVE-2025-25724
https://nvd.nist.gov/vuln/detail/CVE-2025-25724
https://security-tracker.debian.org/tracker/CVE-2025-25724
https://github.com/libarchive/libarchive/blob/b439d586f53911c84be5e380445a8a259e19114c/tar/util.c#L751-L752
https://github.com/Ekkosun/pocs/blob/main/bsdtarbug
https://www.mend.io/vulnerability-database/CVE-2025-25724

Severity Score

Weakness Type (CWE)

Unchecked Return Value

CWE-252

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): LOW

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