Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2025-0725

CVE-2025-0725HIGH

curl curl — gzip integer overflow

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  L  L  L    7.3   .0180   78.2     —

AFFECTED
  Product  Versions  Fixed
  curl     8.11.1 –  —

TIMELINE
  Jan 27  Reserved by curl
  Feb 5   Published (CNA: curl)
  Oct 15  EXPLOIT PUBLISHED — CVE-2025-0725 (curl). Public exploit reference added.

CWE-120 · CNA: curl · CVSS v3.1 · 10 references · NVD status: Modified

Description

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
January 27, 2025	Reserved	Reserved by curl
February 5, 2025	Published	Published (CNA: curl)
October 15, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2025-0725 (curl). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
curl	curl	—	8.11.1	—

Weaknesses

CWE-120

References (10)

http://www.openwall.com/lists/oss-security/2025/02/05/3 [Mailing List]
http://www.openwall.com/lists/oss-security/2025/02/06/2 [Mailing List]
http://www.openwall.com/lists/oss-security/2025/02/06/4 [Mailing List]
https://cert-portal.siemens.com/productcert/html/ssa-089022.html
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://curl.se/docs/CVE-2025-0725.html [Vendor Advisory]
https://curl.se/docs/CVE-2025-0725.json [Vendor Advisory]
https://github.com/curl/curl/commit/76f83f0db23846e254d940ec7 [Patch]
https://hackerone.com/reports/2956023 [Exploit, Issue Tracking]
https://security.netapp.com/advisory/ntap-20250306-0009/ [Third Party Advisory]

Authoritative record: CVE-2025-0725 at cve.org

Vendors: curl

Weaknesses: CWE-120

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-0725 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.