CVE-2026-27171
MediumAdvisory
Published 18 Feb 2026In the index since 5 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.5
- base score, highest
- EPSS
- 0.002
- 14th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 2,492
- of 17,813 indexed, latest versions
- Container images
- 2,670
- deployed by those charts
- Fix available
- 3 of 3
- affected packages
CVE-2026-27171 affecting package zlib for versions less than 1.3.2-1
Carried by container images the latest versions of 2,492 of 17,813 indexed charts deploy, on 2,670 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| zlibdeb | 1:1.2.13.dfsg-1, 1:1.3.dfsg-3.1ubuntu2, 1:1.3.dfsg-3.1ubuntu2.1, 1:1.3.dfsg+really1.3.1-1+b1+5 more | 1:1.3.dfsg-3.1ubuntu2.2, 1:1.3.dfsg+really1.3.1-1+e1, 1:1.3.dfsg+really1.3.1-1ubuntu3.1 | 1,744 |
| zlibapk | 1.3-r2, 1.3.1-r1, 1.3.1-r2, 1.3.1-r4+3 more | 1.3.2-r0 | 916 |
| zlibrpm | 1.2.11-lp151.5.3.1, 1.2.11-lp152.8.6.1, 1.2.13-150500.4.3.1, 1.3.1-1.azl3 | 1.2.13-150500.4.6.1, 1.3.1-2.1, 1.3.2-1 | 10 |
- OSV records
- ALPINE-CVE-2026-27171DEBIAN-CVE-2026-27171CGA-x526-fwrp-6v3cUBUNTU-CVE-2026-27171AZL-77886ECHO-e10b-f259-a98bopenSUSE-SU-2026:10617-1SUSE-SU-2026:0783-1
- Also known as
- CGA-xjhg-6p5p-42rc, USN-8706-1
Charts affected
2,492 by stars
Container images carrying it
2,670 by charts deploying them
A fixed version is listed for 3 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| ghcr.io/ | 398c34934453 | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | ebed9a5eaae0 | zlib | no fix listed | 1 |
| ghcr.io/ | eea8b649d4bf | zlib | no fix listed | 1 |
| ghcr.io/ | 86ab9effd1a5 | zlib | no fix listed | 1 |
| ghcr.io/ | bfc3118f6565 | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | 6df27f944fe8 | zlib | no fix listed | 1 |
| ghcr.io/ | 6e04659a3baa | zlib | no fix listed | 1 |
| ghcr.io/ | 8622ea9e43c0 | zlib | no fix listed | 1 |
| ghcr.io/ | 1572e12bc93c | zlib | no fix listed | 1 |
| ghcr.io/ | 1f0f7ddc4370 | zlib | no fix listed | 1 |
| ghcr.io/ | dbaa8527bf4c | zlib | no fix listed | 1 |
| ghcr.io/ | aa7d5d5dd6be | zlib | no fix listed | 1 |
| ghcr.io/ | 282f840612d9 | zlib | no fix listed | 1 |
| ghcr.io/ | d19d886d5090 | zlib | no fix listed | 1 |
| ghcr.io/ | 8027bb46d1f4 | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | 0708d30433d4 | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | 344f53763b25 | zlib | no fix listed | 1 |
| ghcr.io/ | 85f93ced88b2 | zlib | no fix listed | 1 |
| ghcr.io/ | d95e9a124eed | zlib | no fix listed | 1 |
| ghcr.io/ | d86fcf169f15 | zlib | no fix listed | 1 |
| ghcr.io/ | 49800ff775f3 | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | 5a6fe78d4d15 | zlib | no fix listed | 1 |
| ghcr.io/ | 454f4384713a | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | bf5983d754d7 | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | 2930290a758c | zlib | no fix listed | 1 |
| ghcr.io/ | 7550ff86b15f | zlib | no fix listed | 1 |
| ghcr.io/ | 7bff29dcec72 | zlib | no fix listed | 1 |
| ghcr.io/ | 4f40cfc2283b | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | d81cda253f5c | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | ce435c77651e | zlib | no fix listed | 1 |
| ghcr.io/ | 51a7ec1c2de4 | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | 497893753e16 | zlib | no fix listed | 1 |
| ghcr.io/ | 6d84f6c4ce20 | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | fbba58ddb1a6 | zlib | no fix listed | 1 |
| ghcr.io/ | 416e980f76a6 | zlib | no fix listed | 1 |
| ghcr.io/ | d7f76c9c65d9 | zlib | 1.3.2-r0 | 1 |
| ghcr.io/ | f7e607f24071 | zlib | no fix listed | 1 |
| ghcr.io/ | 7dc0ee57b628 | zlib | no fix listed | 1 |
| ghcr.io/ | 9a32b89c0c19 | zlib | 1.3.2-r0 | 1 |
| mcr.microsoft.com/ | 4bab24f36c1e | zlib | 1:1.3.dfsg-3.1ubuntu2.2 | 1 |
| mcr.microsoft.com/ | cee0f4db03b5 | zlib | 1:1.3.dfsg-3.1ubuntu2.2 | 1 |
| mcr.microsoft.com/ | 59b9d0348428 | zlib | 1.3.2-1 | 1 |
| mcr.microsoft.com/ | e101b832b34d | zlib | no fix listed | 1 |
| public.ecr.aws/ | 5a5d32281374 | zlib | no fix listed | 1 |
| public.ecr.aws/ | 138c8b82c398 | zlib | 1:1.3.dfsg-3.1ubuntu2.2 | 1 |
| public.ecr.aws/ | f669a6eacf8c | zlib | 1:1.3.dfsg-3.1ubuntu2.2 | 1 |
| public.ecr.aws/ | 43316f900242 | zlib | 1:1.3.dfsg+really1.3.1-1ubuntu3.1 | 1 |
| public.ecr.aws/ | 1ed844ecab29 | zlib | 1:1.3.dfsg-3.1ubuntu2.2 | 1 |
| public.ecr.aws/ | 97d830d5538a | zlib | 1:1.3.dfsg-3.1ubuntu2.2 | 1 |
| public.ecr.aws/ | a47eb6cc17ea | zlib | 1:1.3.dfsg+really1.3.1-1ubuntu3.1 | 1 |