Buffer Overflow Affecting zlib-1.1.4 package, versions <1.1.4+e1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
1.8% (79th percentile)

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  • Snyk IDSNYK-ECHOLATEST-ZLIB114-20969924
  • published15 Oct 2026
  • disclosed5 Feb 2025

Introduced: 5 Feb 2025

CVE-2025-0725  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade Echo:latest zlib-1.1.4 to version 1.1.4+e1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream zlib-1.1.4 package and not the zlib-1.1.4 package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

When libcurl is asked to perform automatic gzip decompression of content-encoded HTTP responses with the CURLOPT_ACCEPT_ENCODING option, using zlib 1.2.0.3 or older, an attacker-controlled integer overflow would make libcurl perform a buffer overflow.

CVSS Base Scores

version 3.1