ALPINE-CVE-2021-3697
Record from OSV · Published July 6, 2022
A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| grub | Alpine:v3.21 | 2.06-r13 |
| grub | Alpine:v3.24 | 2.06-r13 |
| grub | Alpine:v3.18 | 2.06-r12 |
| grub | Alpine:v3.23 | 2.06-r13 |
| grub | Alpine:v3.22 | 2.06-r13 |
| grub | Alpine:v3.15 | 2.06-r3 |
| grub | Alpine:v3.16 | 2.06-r3 |
| grub | Alpine:v3.19 | 2.06-r13 |
| grub | Alpine:v3.20 | 2.06-r13 |
| grub | Alpine:v3.17 | 2.06-r8 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.21 | grub | 2.02_beta3-r7, 2.02-r13, 2.02-r11 |
| Alpine:v3.24 | grub | 0 |
| Alpine:v3.18 | grub | 2.06-r8, 2.06-r7, 2.06-r6 |
| Alpine:v3.23 | grub | 2.06-r10, 0, 2.02-r0 |
| Alpine:v3.22 | grub | 2.06-r5, 2.02-r12, 2.02-r14 |
| Alpine:v3.15 | grub | 2.02-r8, 2.02-r0, 2.02-r10 |
| Alpine:v3.16 | grub | 2.02-r9, 2.02_beta3-r0, 2.02_beta3-r1 |
| Alpine:v3.19 | grub | 2.02_beta3-r1, 2.02_beta3-r0, 2.06-r8 |
| Alpine:v3.20 | grub | 2.06-r10, 2.06-r0, 2.04-r3 |
| Alpine:v3.17 | grub | 2.02-r2, 2.02_beta3-r2, 2.02_beta3-r7 |
Timeline
- Jul 6, 2022 CVE Published
- Jun 15, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln ALPINE-CVE-2021-3697
vulnetix vdb fixes ALPINE-CVE-2021-3697Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
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