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.
Metrics
CVSS 3.1 7.3/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| curl | curl | >= 8.11.1, <= 8.11.1; >= 8.11.0, <= 8.11.0; >= 8.10.1, <= 8.10.1; >= 8.10.0, <= 8.10.0; >= 8.9.1, <= 8.9.1; >= 8.9.0, <= 8.9.0; >= 8.8.0, <= 8.8.0; >= 8.7.1, <= 8.7.1; >= 8.7.0, <= 8.7.0; >= 8.6.0, <= 8.6.0; >= 8.5.0, <= 8.5.0; >= 8.4.0, <= 8.4.0; >= 8.3.0, <= 8.3.0; >= 8.2.1, <= 8.2.1; >= 8.2.0, <= 8.2.0; >= 8.1.2, <= 8.1.2; >= 8.1.1, <= 8.1.1; >= 8.1.0, <= 8.1.0; >= 8.0.1, <= 8.0.1; >= 8.0.0, <= 8.0.0 |
| Siemens | RUGGEDCOM RST2428P | < V3.3 |
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family | < V3.3 |
| Siemens | SCALANCE XCH328 | < V3.3 |
| Siemens | SCALANCE XCM324 | < V3.3 |
| Siemens | SCALANCE XCM328 | < V3.3 |
| Siemens | SCALANCE XCM332 | < V3.3 |
| Siemens | SCALANCE XRH334 (24 V DC, 8xFO, CC) | < V3.3 |
| Siemens | SCALANCE XRM334 (230 V AC, 12xFO) | < V3.3 |
| Siemens | SCALANCE XRM334 (230 V AC, 8xFO) | < V3.3 |
| Siemens | SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) | < V3.3 |
| Siemens | SCALANCE XRM334 (24 V DC, 12xFO) | < V3.3 |
| Siemens | SCALANCE XRM334 (24 V DC, 8xFO) | < V3.3 |
| Siemens | SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) | < V3.3 |
| Siemens | SCALANCE XRM334 (2x230 V AC, 12xFO) | < V3.3 |
| Siemens | SCALANCE XRM334 (2x230 V AC, 8xFO) | < V3.3 |
| Siemens | SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) | < V3.3 |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
References
- https://curl.se/docs/CVE-2025-0725.htmlVendor Advisory
- https://curl.se/docs/CVE-2025-0725.jsonVendor Advisory
- https://hackerone.com/reports/2956023Exploit, Issue Tracking
- http://www.openwall.com/lists/oss-security/2025/02/05/3Mailing List
- http://www.openwall.com/lists/oss-security/2025/02/06/2Mailing List
- http://www.openwall.com/lists/oss-security/2025/02/06/4Mailing List
- https://github.com/curl/curl/commit/76f83f0db23846e254d940ec7Patch
- https://security.netapp.com/advisory/ntap-20250306-0009/Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-089022.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Timeline
- Published
- Feb 5, 2025
- Last modified
- Oct 15, 2026
- NVD status
- Modified