CVE-2025-4748

Absolute path traversal in zip:unzip/1,2

MEDIUM
4.8
CVSS Score
Published: June 16, 2025 at 11:00 AM UTC
Updated: July 24, 2026 at 03:33 PM UTC
1 product affected across 1 vendorErlang /otp

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≥ 17.0v ≥ 2.0v < 26.2.5.1327.0 ≤ v < 27.3.4.128.0 ≤ v < 28.0.117.02.07b8f441ca711f9812fad9e9115bab3c3aa92f79
Affected range stops below 26.2.5.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 27.3.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 28.0.1, so it looks safe — our inference, not a vendor statement

References (9)

Patch
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
https://github.com/erlang/otp/pull/9941
Vendor AdvisoryRelated
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
https://github.com/erlang/otp/security/advisories/GHSA-9g37-pgj9-wrhc
x_version-scheme
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
https://www.erlang.org/doc/system/versions.html#order-of-versions
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2025/06/16/5

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.8MEDIUMEEF
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22

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