ALPINE-CVE-2021-31807
Record from OSV · Published June 8, 2021
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.
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:v3.15 | 5.0.6-r0 |
| squid | Alpine:v3.19 | 5.0.6-r0 |
| squid | Alpine:v3.16 | 5.0.6-r0 |
| squid | Alpine:v3.12 | 4.15-r0 |
| squid | Alpine:v3.24 | 5.0.6-r0 |
| squid | Alpine:v3.22 | 5.0.6-r0 |
| squid | Alpine:v3.23 | 5.0.6-r0 |
| squid | Alpine:v3.20 | 5.0.6-r0 |
| squid | Alpine:v3.14 | 5.0.6-r0 |
| squid | Alpine:v3.11 | 4.15-r0 |
| squid | Alpine:v3.21 | 5.0.6-r0 |
| squid | Alpine:v3.13 | 5.0.6-r0 |
3 more packages have a fixed version. See every fix in Lookup.
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.15 | squid | 0, 2.7.6-r0, 2.7.6-r10 |
| Alpine:v3.19 | squid | 0, 2.7.6-r0, 2.7.6-r1 |
| Alpine:v3.16 | squid | 0, 2.7.6-r10, 2.7.6-r11 |
| Alpine:v3.12 | squid | 0, 2.7.6-r10, 2.7.6-r11 |
| Alpine:v3.24 | squid | 3.0 |
| Alpine:v3.22 | squid | 2.7.7-r0, 2.7.6-r11, 3.0 |
| Alpine:v3.23 | squid | 5.0.5-r0, 3.0, 2.7.9-r1 |
| Alpine:v3.20 | squid | 2.7.7-r3, 3.0, 3.3.10-r0 |
| Alpine:v3.14 | squid | 2.7.6-r10, 0, 3.0 |
| Alpine:v3.11 | squid | 3.4.6-r0, 0, 2.7.6-r0 |
| Alpine:v3.21 | squid | 3.4.6-r0, 3.0, 2.7.7-r5 |
| Alpine:v3.13 | squid | 2.7.6-r0, 3.0, 2.7.7-r4 |
| Alpine:v3.18 | squid | 3.5.4-r1, 3.5.2-r0, 3.2.0.12-r4 |
| Alpine:v3.10 | squid | 2.7.6-r6, 2.7.7-r0, 2.7.7-r2 |
| Alpine:v3.17 | squid | 2.7.6-r7, 0, 2.7.6-r1 |
Timeline
- Jun 8, 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-2021-31807
vulnetix vdb fixes ALPINE-CVE-2021-31807
Or 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-2021-31807/fixes/registry"
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