High severity7.5GHSA Advisory· Published Oct 31, 2025· Updated Apr 15, 2026
CVE-2025-6176
CVE-2025-6176
Description
Scrapy versions up to 2.13.2 are vulnerable to a denial of service (DoS) attack due to a flaw in its brotli decompression implementation. The protection mechanism against decompression bombs fails to mitigate the brotli variant, allowing remote servers to crash clients with less than 80GB of available memory. This occurs because brotli can achieve extremely high compression ratios for zero-filled data, leading to excessive memory consumption during decompression.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
brotliPyPI | < 1.2.0 | 1.2.0 |
ScrapyPyPI | < 2.13.4 | 2.13.4 |
Affected products
37- osv-coords36 versionspkg:apk/chainguard/mitmproxypkg:apk/chainguard/nemopkg:apk/chainguard/open-webuipkg:apk/chainguard/open-webui-compatpkg:apk/chainguard/pgadmin4pkg:apk/chainguard/pgadmin4-oci-entrypointpkg:apk/chainguard/pgadmin4-pg12pkg:apk/chainguard/pgadmin4-pg13pkg:apk/chainguard/pgadmin4-pg14pkg:apk/chainguard/pgadmin4-pg15pkg:apk/chainguard/pgadmin4-pg16pkg:apk/chainguard/pgadmin4-pg17pkg:apk/chainguard/superset-4.1pkg:apk/chainguard/superset-4.1-entrypointpkg:apk/chainguard/superset-4.1-iamguarded-compatpkg:apk/chainguard/superset-5.0pkg:apk/chainguard/superset-5.0-entrypointpkg:apk/chainguard/superset-5.0-iamguarded-compatpkg:apk/wolfi/mitmproxypkg:apk/wolfi/open-webuipkg:apk/wolfi/open-webui-compatpkg:apk/wolfi/superset-4.1pkg:apk/wolfi/superset-4.1-entrypointpkg:apk/wolfi/superset-4.1-iamguarded-compatpkg:apk/wolfi/superset-5.0pkg:apk/wolfi/superset-5.0-entrypointpkg:apk/wolfi/superset-5.0-iamguarded-compatpkg:pypi/brotlipkg:pypi/scrapypkg:rpm/almalinux/brotlipkg:rpm/almalinux/brotli-develpkg:rpm/almalinux/libbrotlipkg:rpm/almalinux/python3-brotlipkg:rpm/opensuse/python-Brotli&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python-py7zr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python-Scrapy&distro=openSUSE%20Tumbleweed
< 12.2.1-r0+ 35 more
- (no CPE)range: < 12.2.1-r0
- (no CPE)range: < 2.5.2-r2
- (no CPE)range: < 0.6.34-r3
- (no CPE)range: < 0.6.34-r3
- (no CPE)range: < 9.9-r1
- (no CPE)range: < 9.9-r1
- (no CPE)range: < 9.9-r1
- (no CPE)range: < 9.9-r1
- (no CPE)range: < 9.9-r1
- (no CPE)range: < 9.9-r1
- (no CPE)range: < 9.9-r1
- (no CPE)range: < 9.9-r1
- (no CPE)range: < 4.1.4-r2
- (no CPE)range: < 4.1.4-r2
- (no CPE)range: < 4.1.4-r2
- (no CPE)range: < 5.0.0-r7
- (no CPE)range: < 5.0.0-r7
- (no CPE)range: < 5.0.0-r7
- (no CPE)range: < 12.2.1-r0
- (no CPE)range: < 0.6.34-r3
- (no CPE)range: < 0.6.34-r3
- (no CPE)range: < 4.1.4-r2
- (no CPE)range: < 4.1.4-r2
- (no CPE)range: < 4.1.4-r2
- (no CPE)range: < 5.0.0-r7
- (no CPE)range: < 5.0.0-r7
- (no CPE)range: < 5.0.0-r7
- (no CPE)range: < 1.2.0
- (no CPE)range: < 2.13.4
- (no CPE)range: < 1.1.0-7.el10_1
- (no CPE)range: < 1.1.0-7.el10_1
- (no CPE)range: < 1.1.0-7.el10_1
- (no CPE)range: < 1.1.0-7.el10_1
- (no CPE)range: < 1.2.0-1.1
- (no CPE)range: < 1.1.0-1.1
- (no CPE)range: < 2.13.3-2.1
Patches
Vulnerability mechanics
References
10- github.com/advisories/GHSA-2qfp-q593-8484ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-6176ghsaADVISORY
- github.com/google/brotli/commit/67d78bc41db1a0d03f2e763497748f2f69946627ghsaWEB
- github.com/google/brotli/issues/1327ghsaWEB
- github.com/google/brotli/issues/1375ghsaWEB
- github.com/google/brotli/pull/1234ghsaWEB
- github.com/google/brotli/releases/tag/v1.2.0ghsaWEB
- github.com/scrapy/scrapy/commit/14737e91edc513967f516fc839cc9c8a4f8d91daghsaWEB
- github.com/scrapy/scrapy/pull/7134ghsaWEB
- huntr.com/bounties/2c26a886-5984-47ee-a421-0d5fe1344eb0nvdWEB
News mentions
0No linked articles in our index yet.