CVE-2025-64508
Bugsink is vulnerable to unauthenticated remote DoS via crafted Brotli input
7.5
HIGH
CVSS 3.1
EPSS 0.21%
Description
### Impact In affected versions, brotli "bombs" (highly compressed brotli streams, such as many zeros) can be sent to the server. Since the server will attempt to decompress these streams before applying various maximums, this can lead to exhaustion of the available memory and thus a Denial of Service. This can be done if the `DSN` is known, which it is in many common setups (JavaScript, Mobile Apps). ### Patches Patched in Bugsink `2.0.5`
How to fix CVE-2025-64508
To remediate CVE-2025-64508, upgrade the affected package to a fixed version below.
- —upgrade to 2.0.5 or later
Is CVE-2025-64508 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.0.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |