CVE-2025-0725gzip integer overflow
- 7.3HighCVSS base score
- 1.8%Exploitation in 30 daysEPSS · top 21% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.
Timeline
ID reserved
By curl
- 9 days later
· 9 days later
Published
- 21 months later
· 21 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | High7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
- EPSS (exploitation in 30 days)
- 1.8% · top 21% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.3.
Affected products
- affected 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
- affected 8.8.0 – ≤ 8.8.0
- affected 8.7.1 – ≤ 8.7.1
- affected 8.7.0 – ≤ 8.7.0
- affected 8.6.0 – ≤ 8.6.0
- affected 8.5.0 – ≤ 8.5.0
- affected 8.4.0 – ≤ 8.4.0
- affected 8.3.0 – ≤ 8.3.0
- affected 8.2.1 – ≤ 8.2.1
- affected 8.2.0 – ≤ 8.2.0
- affected 8.1.2 – ≤ 8.1.2
- affected 8.1.1 – ≤ 8.1.1
- affected 8.1.0 – ≤ 8.1.0
- affected 8.0.1 – ≤ 8.0.1
- affected 8.0.0 – ≤ 8.0.0
- affected 7.88.1 – ≤ 7.88.1
- affected 7.88.0 – ≤ 7.88.0
- affected 7.87.0 – ≤ 7.87.0
- affected 7.86.0 – ≤ 7.86.0
- affected 7.85.0 – ≤ 7.85.0
- affected 7.84.0 – ≤ 7.84.0
- affected 7.83.1 – ≤ 7.83.1
- affected 7.83.0 – ≤ 7.83.0
- affected 7.82.0 – ≤ 7.82.0
- affected 7.81.0 – ≤ 7.81.0
- affected 7.80.0 – ≤ 7.80.0
- affected 7.79.1 – ≤ 7.79.1
- affected 7.79.0 – ≤ 7.79.0
- affected 7.78.0 – ≤ 7.78.0
- affected 7.77.0 – ≤ 7.77.0
- affected 7.76.1 – ≤ 7.76.1
- affected 7.76.0 – ≤ 7.76.0
- affected 7.75.0 – ≤ 7.75.0
- affected 7.74.0 – ≤ 7.74.0
- affected 7.73.0 – ≤ 7.73.0
- and 122 more
References
References10
- json (opens in a new tab)
- www (opens in a new tab)
- issue (opens in a new tab)
- http://www.openwall.com/lists/oss-security/2025/02/05/3 (opens in a new tab)
- http://www.openwall.com/lists/oss-security/2025/02/06/2 (opens in a new tab)
- http://www.openwall.com/lists/oss-security/2025/02/06/4 (opens in a new tab)
- https://security.netapp.com/advisory/ntap-20250306-0009/ (opens in a new tab)
- https://github.com/curl/curl/commit/76f83f0db23846e254d940ec7 (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-089022.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-1837 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-0725)Record last updated .