# CVE-2025-60753: An issue was discovered in libarchive bsdtar before version 3.8.1 in function apply_substitution in file tar/subst.c…

Source: https://junglewise.ai/threats/cve-2025-60753-an-issue-was-discovered-in-libarchive-bsdtar-before-version-3-8-1  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-11-05  
License: CC BY 4.0 with a link back

CVE-2025-60753 · Severity: medium · CVSS 5.5 · Published 2025-11-05

An issue was discovered in libarchive bsdtar before version 3.8.1 in function apply_substitution in file tar/subst.c when processing crafted -s substitution rules. This can cause unbounded memory allocation and lead to denial of service (Out-of-Memory crash).

Technologies: [Libarchive](https://junglewise.ai/threats/technologies/libarchive). Vendors: [Libarchive](https://junglewise.ai/threats/vendors/libarchive).

## Quick answers

**Is CVE-2025-60753 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-60753 being exploited in the wild.

**How severe is CVE-2025-60753?** Medium severity, with a CVSS score of 5.5, published 5 November 2025.

**Which products and versions are affected?** Libarchive. The advisory does not name versions.

**Is there a fix for CVE-2025-60753?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-60753?** Check whether you run Libarchive. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Libarchive

## Related threats

- [Windows Libarchive double free vulnerability](https://junglewise.ai/threats/cve-2026-70062-double-free-in-windows-libarchive-allows-an-unauthorized-attacker)
- [Windows Libarchive path traversal vulnerability](https://junglewise.ai/threats/cve-2026-69973-improper-limitation-of-a-pathname-to-a-restricted-directory-path)
- [Libarchive relative path traversal in Windows](https://junglewise.ai/threats/cve-2026-69968-relative-path-traversal-in-windows-libarchive-allows-an)
- [libarchive gzip writer heap buffer overflow in original-filename](https://junglewise.ai/threats/cve-2025-64031-libarchive-gzip-writer-heap-buffer-overflow-in-original-filename)
- [libarchive heap overflow in PAX SUN.holesdata parsing](https://junglewise.ai/threats/cve-2026-15028-libarchive-heap-overflow-in-pax-sun-holesdata-parsing)