CVE-2025-6176
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
Important: brotli security update
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2026-2042.html
Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2026-2389.html
Vendor advisory: alma — https://bugzilla.redhat.com/2408762
Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2026:2389
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2025-6176
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2026:2042
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:2042
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2026:2389
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rocky | 8 | fixed | |
| rhel | 9 | fixed | |
| rocky | 9 | fixed | |
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 2.13.4-1 |
| debian | sid | fixed | 2.13.4-1 |
| debian | trixie | affected | |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-6176
- https://github.com/google/brotli/issues/1327
- https://github.com/google/brotli/issues/1375
- https://github.com/google/brotli/pull/1234
- https://github.com/scrapy/scrapy/pull/7134
- https://github.com/google/brotli/commit/67d78bc41db1a0d03f2e763497748f2f69946627
- https://github.com/scrapy/scrapy/commit/14737e91edc513967f516fc839cc9c8a4f8d91da
- https://github.com/google/brotli
- https://github.com/google/brotli/releases/tag/v1.2.0
- https://huntr.com/bounties/2c26a886-5984-47ee-a421-0d5fe1344eb0
- https://errata.rockylinux.org/RLSA-2026:2389
- https://access.redhat.com/errata/RHSA-2026:2042
- https://errata.rockylinux.org/RLSA-2026:2042
- https://security-tracker.debian.org/tracker/CVE-2025-6176
- https://access.redhat.com/errata/RHSA-2026:2389
- https://bugzilla.redhat.com/2408762
- https://errata.almalinux.org/8/ALSA-2026-2389.html
- https://errata.almalinux.org/9/ALSA-2026-2042.html
Verify integrity in audit chain (admin only). AS-IS.