CVE-2025-0725

gzip integer overflow

At a glance

Severity
HIGH 7.3
EPSS
EPSS 1.80 % · percentile 78 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
curl
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.

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LCISA-ADP
CVSS 3.1HIGH 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
curl · curlaffected 8.11.1 ≤ 8.11.1 ; affected 8.11.0 ≤ 8.11.0 ; affected 8.10.1 ≤ 8.10.1 ; affected 8.10.0 ≤ 8.10.0 ; affected 8.9.1 ≤ 8.9.1 ; affected 8.9.0 ≤ 8.9.0

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD