CVE-2025-4748: Path Traversal

Description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Erlang OTP (stdlib modules) allows Absolute Path Traversal, File Manipulation. This vulnerability is associated with program files lib/stdlib/src/zip.erl and program routines zip:unzip/1, zip:unzip/2, zip:extract/1, zip:extract/2 unless the memory option is passed. This issue affects OTP from OTP 17.0 until OTP 28.0.1, OTP 27.3.4.1 and OTP 26.2.5.13, corresponding to stdlib from 2.0 until 7.0.1, 6.2.2.1 and 5.2.3.4.

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Weakness Type (CWE)

CWE-22 Path Traversal

References

Other References

https://cna.erlef.org/cves/CVE-2025-4748.html https://github.com/erlang/otp/commit/578d4001575aa7647ea1efd4b2b7e3afadcc99a5 https://github.com/erlang/otp/commit/5a55feec10c9b69189d56723d8f237afa58d5d4f https://github.com/erlang/otp/commit/ba2f2bc5f45fcfd2d6201ba07990a678bbf4cc8f https://github.com/erlang/otp/pull/9941 https://github.com/erlang/otp/security/advisories/GHSA-9g37-pgj9-wrhc https://osv.dev/vulnerability/EEF-CVE-2025-4748 https://www.erlang.org/doc/system/versions.html#order-of-versions http://www.openwall.com/lists/oss-security/2025/06/16/5

Frequently Asked Questions

What is CVE-2025-4748? +

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Erlang OTP (stdlib modules) allows Absolute Path Traversal, File Manipulation. This vulnerability is associated with program files lib/stdlib/src/zip.erl and program routines zip:unzip/1, zip:unzip/2, zip:extract/1, zip:extract/2 unless the memory option is passed. This issue affects OTP from OTP 17.0 until OTP 28.0.1, OTP 27.3.4.1 and OTP 26.2.5.13, corresponding to stdlib from 2.0 until 7.0.1, 6.2.2.1 and 5.2.3.4.

How do I check if I'm vulnerable to CVE-2025-4748? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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