What’s Vulnerable › Vulnerabilities

CVE-2025-25724

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-03-02 · updated 2026-06-17
• Weakness: CWE-252

Description

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.

Affected products

• libarchive: through 3.7.7

References

• https://gist.github.com/Ekkosun/a83870ce7f3b7813b9b462a395e8ad92
• https://github.com/Ekkosun/pocs/blob/main/bsdtarbug
• https://github.com/libarchive/libarchive/blob/b439d586f53911c84be5e380445a8a259e19114c/tar/util.c#L751-L752

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