VDB
DEBIAN-CVE-2026-27171
DEBIAN-CVE-2026-27171
PUBLISHED
CVSS 5.5 MEDIUM
zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.
Risk Scores
CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | zlib | 0, 1.3, 1.3 |
| Debian:12 | zlib | 0, 1:1.2.13.dfsg-1, 1:1.2.13.dfsg-3 |
| Debian:11 | zlib | 1.3, 1.3, 1.3 |
| Debian:13 | zlib | 1:1.3.dfsg+really1.3.1-1, 1:1.3.dfsg+really1.3.1-2, 1:1.3.dfsg+really1.3.1-3 |
Timeline
- Feb 18, 2026 CVE Published
- Apr 28, 2026 CVE Updated