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 Details
- CVSS 3.1 Base Score: 7.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-curl | Aug 8, 2025 | Feb 5, 2025 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-ecs-service-connect-agent | May 20, 2026 | May 20, 2026 | |
| Amazon_linux_2023 | amazon-linux-2023-upgrade-ecs-service-connect-agent | Jan 12, 2026 | Feb 5, 2025 | |
| Debian | debian-upgrade-curlno-fix-debian-deb-package | May 15, 2025 | Feb 5, 2025 | |
| Dell Powerstore Dsa2025342 | dell-powerstoreos-upgrade-latest | Oct 23, 2025 | Sep 2, 2025 | |
| Dell Powerstore Dsa2026039 | dell-powerstoreos-upgrade-latest | Jan 13, 2026 | Jan 6, 2026 | |
| Huawei Euleros 2_0_sp10 | huawei-euleros-2_0_sp10-upgrade-curlhuawei-euleros-2_0_sp10-upgrade-libcurl | May 13, 2025 | Feb 5, 2025 | |
| Huawei Euleros 2_0_sp11 | huawei-euleros-2_0_sp11-upgrade-curlhuawei-euleros-2_0_sp11-upgrade-libcurl | Apr 11, 2025 | Feb 5, 2025 | |
| Huawei Euleros 2_0_sp12 | huawei-euleros-2_0_sp12-upgrade-curlhuawei-euleros-2_0_sp12-upgrade-libcurl | May 7, 2025 | Feb 5, 2025 | |
| Huawei Euleros 2_0_sp13 | huawei-euleros-2_0_sp13-upgrade-curlhuawei-euleros-2_0_sp13-upgrade-libcurl | Apr 1, 2025 | Feb 5, 2025 | |
| Suse | — | suse-upgrade-curlsuse-upgrade-libcurl-develsuse-upgrade-libcurl-devel-32bitsuse-upgrade-libcurl4suse-upgrade-libcurl4-32bit | Feb 10, 2025 | Feb 5, 2025 |
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