VDB
CVE-2022-29916
CVE-2022-29916
PUBLISHED
CVSS 6.5 MEDIUM
Reported by mozilla · Published December 22, 2022
Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| thunderbird | Alpine | 91.9.0-r0 |
| librewolf | Alpine | 100.0-r0 |
| firefox-esr | Alpine | 91.9.0-r0 |
| firefox | Arch Linux | 100.0-1 |
| thunderbird | Arch Linux | 91.9-1 |
| firefox | Alpine | 100.0-r0 |
| Firefox ESR | Mozilla | 91.9 |
| firefox_esr | mozilla | 91.9 |
| firefox | mozilla | 100.0, 100 |
| thunderbird | mozilla | 91.9 |
Risk scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | unspecified |
| Mozilla | Firefox ESR | unspecified |
| Mozilla | Firefox | unspecified |
| Mozilla | Firefox ESR | * |
| alpine | thunderbird | 0 |
| Mozilla | Thunderbird | * |
| alpine | librewolf | 0 |
| Mozilla | Firefox | * |
| alpine | firefox-esr | 0 |
| arch | firefox | 0 |
| arch | thunderbird | 0 |
| alpine | firefox | 0 |
Timeline
- May 3, 2022 CVE Published
- Dec 23, 2022 EPSS Score (30 in total, the first dated here)
- Oct 6, 2025 CVE Updated
- Jun 2, 2026 Security Advisory (17 in total, the first dated here)
- Jun 26, 2026 Coalition ESS Score
- Nov 4, 2026 Distribution Patch (14 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2022-29916
vulnetix vdb fixes CVE-2022-29916Or 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/CVE-2022-29916/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart