CVE-2025-0725

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.

CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
netapp	hci_baseboard_management_controller	All
netapp	hci_h610s_firmware	All
netapp	hci_h610s	All
netapp	hci_h610c_firmware	All
netapp	hci_h610c	All
netapp	hci_h615c_firmware	All
netapp	hci_h615c	All
netapp	solidfire_\&_hci_management_node	All
netapp	solidfire_\&_hci_storage_node	All
haxx	curl	7.10.5 — 8.12.0
haxx	libcurl	7.10.5 — 8.12.0
zlib	zlib	< 1.2.0.3

References

Advisories & Patches

https://curl.se/docs/CVE-2025-0725.html https://curl.se/docs/CVE-2025-0725.json https://github.com/curl/curl/commit/76f83f0db23846e254d940ec7

Exploits

https://hackerone.com/reports/2956023

Other References

http://www.openwall.com/lists/oss-security/2025/02/05/3 http://www.openwall.com/lists/oss-security/2025/02/06/2 http://www.openwall.com/lists/oss-security/2025/02/06/4 https://security.netapp.com/advisory/ntap-20250306-0009/

Frequently Asked Questions

What is CVE-2025-0725? +

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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-0725? +

CVE-2025-0725 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-0725? +

CVE-2025-0725 affects products from haxx, netapp, zlib, specifically: curl, hci_baseboard_management_controller, hci_h610c, hci_h610c_firmware, hci_h610s, hci_h610s_firmware, hci_h615c, hci_h615c_firmware, libcurl, solidfire_\&_hci_management_node, solidfire_\&_hci_storage_node, zlib. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-0725? +

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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