VDB
ALPINE-CVE-2021-28662
ALPINE-CVE-2021-28662
PUBLISHED
CVSS 6.5 MEDIUM
Record from OSV · Published May 27, 2021
An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly occur in benign network traffic.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| squid | Alpine:v3.10 | 4.15-r0 |
| squid | Alpine:v3.22 | 5.0.6-r0 |
| squid | Alpine:v3.23 | 5.0.6-r0 |
| squid | Alpine:v3.17 | 5.0.6-r0 |
| squid | Alpine:v3.14 | 5.0.6-r0 |
| squid | Alpine:v3.13 | 5.0.6-r0 |
| squid | Alpine:v3.21 | 5.0.6-r0 |
| squid | Alpine:v3.15 | 5.0.6-r0 |
| squid | Alpine:v3.18 | 5.0.6-r0 |
| squid | Alpine:v3.19 | 5.0.6-r0 |
| squid | Alpine:v3.11 | 4.15-r0 |
| squid | Alpine:v3.24 | 5.0.6-r0 |
3 more packages have a fixed version. See every fix in Lookup.
Risk scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.10 | squid | 2.7.6-r6, 4.0.1, 2.7.7-r5 |
| Alpine:v3.22 | squid | 2.7.6-r11, 3.5.12-r0, 4.0.1 |
| Alpine:v3.23 | squid | 3.4.8-r0, 4.0.1, 5.0.5-r0 |
| Alpine:v3.17 | squid | 2.7.6-r11, 2.7.6-r0, 3.5.11-r0 |
| Alpine:v3.14 | squid | 3.5.10-r0, 0, 2.7.6-r0 |
| Alpine:v3.13 | squid | 3.2.6-r0, 4.2-r1, 4.0.1 |
| Alpine:v3.21 | squid | 0, 4.0.1, 2.7.6-r0 |
| Alpine:v3.15 | squid | 3.5.4-r1, 0, 2.7.6-r0 |
| Alpine:v3.18 | squid | 2.7.6-r11, 0, 2.7.6-r0 |
| Alpine:v3.19 | squid | 2.7.6-r1, 2.7.6-r11, 2.7.6-r12 |
| Alpine:v3.11 | squid | 3.2.0.12-r4, 0, 2.7.6-r0 |
| Alpine:v3.24 | squid | 4.0.1 |
| Alpine:v3.16 | squid | 3.5.19-r0, 2.7.6-r7, 3.2.0.16-r0 |
| Alpine:v3.20 | squid | 3.5.19-r1, 4.0.1, 2.7.6-r0 |
| Alpine:v3.12 | squid | 2.7.9-r4, 3.2.0.12-r1, 4.0.1 |
Timeline
- May 27, 2021 CVE Published
- Jul 8, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln ALPINE-CVE-2021-28662
vulnetix vdb fixes ALPINE-CVE-2021-28662Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/ALPINE-CVE-2021-28662/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart