civetweb: Buffer Overflow in the URI parser of CivetWeb 1.14 through 1.16 (latest) allows a remote attacker to achieve remote c...
CVE-2025-55763 is fixed in 2 products on 1 platform, first by civetweb 1.16+dfsg-3, released August 29, 2025. It is not reported as exploited. Patch Radar priority: High.
Buffer Overflow in the URI parser of CivetWeb 1.14 through 1.16 (latest) allows a remote attacker to achieve remote code execution via a crafted HTTP request. This vulnerability is triggered during request processing and may allow an attacker to corrupt heap memory, potentially leading to denial of service or arbitrary code execution.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| civetweb · Debian 13.5 (trixie) | 1.16+dfsg-2+deb13u1 | DEBIAN-CVE-2025-55763 | Aug 29, 2025 |
| civetweb · Debian 14 | 1.16+dfsg-3 | DEBIAN-CVE-2025-55763 | Aug 29, 2025 |
| civetweb · Ubuntu 22.04.1 LTS (jammy) | 1.15+dfsg-3ubuntu0.1~esm1 | civetweb 1.15+dfsg-3ubuntu0.1~esm1 | Sep 29, 2025 |
| civetweb · Ubuntu 24.04.5 LTS (noble) | 1.16+dfsg-1ubuntu0.1 | civetweb 1.16+dfsg-1ubuntu0.1 | Sep 29, 2025 |
| civetweb · Ubuntu 26.04.1 LTS (resolute) | 1.16+dfsg-3 | civetweb 1.16+dfsg-3 | Aug 29, 2025 |
| libcivetweb1 · Ubuntu 22.04.1 LTS (jammy) | 1.15+dfsg-3ubuntu0.1~esm1 | libcivetweb1 1.15+dfsg-3ubuntu0.1~esm1 | Sep 29, 2025 |
| libcivetweb1 · Ubuntu 24.04.5 LTS (noble) | 1.16+dfsg-1ubuntu0.1 | libcivetweb1 1.16+dfsg-1ubuntu0.1 | Sep 29, 2025 |
| libcivetweb1 · Ubuntu 26.04.1 LTS (resolute) | 1.16+dfsg-3 | libcivetweb1 1.16+dfsg-3 | Aug 29, 2025 |
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