CVE-2025-0725: high-severity vulnerability in curl
gzip integer overflow
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.3epss 1.8%
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products
curl · curlRelated CVEs — curl
In the same product, most dangerous first.
References
https://cert-portal.siemens.com/productcert/html/ssa-089022.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-398330.htmlhttps://curl.se/docs/CVE-2025-0725.htmlhttps://curl.se/docs/CVE-2025-0725.jsonhttps://github.com/curl/curl/commit/76f83f0db23846e254d940ec7https://hackerone.com/reports/2956023https://security.netapp.com/advisory/ntap-20250306-0009/http://www.openwall.com/lists/oss-security/2025/02/05/3http://www.openwall.com/lists/oss-security/2025/02/06/2http://www.openwall.com/lists/oss-security/2025/02/06/4