varnish: http smuggling issues
Published Apr 25, 2016
7.5
HIGHCVSS 3.0
EPSS 3.52%
Description
Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \r (carriage return) character in conjunction with multiple Content-Length headers in an HTTP request.
Affected products
No data.
Configuration 1
- 3.0.0
- 3.0.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
Configuration 2
- 7.0
No data.
Red Hat Software Collections
rh-varnish4-varnish
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Software Collections | rh-varnish4-varnish | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.52% (0.03524) | 88.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.43% (0.03428) | 87.35th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.30% (0.01303) | 77.92th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.70% (0.02700) | 76.43th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.30% (0.01303) | 78.38th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.82% (0.00816) | 82.52th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.82% (0.00816) | 81.24th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.82% (0.00816) | 79.19th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (12)
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00064.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2016/dsa-3553 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2016/04/16/1 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2016/04/18/7 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2015-8852 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1328361 Issue Tracking
- https://github.com/varnish/Varnish-Cache/commit/29870c8fe95e4e8a672f6f28c5fbe692bea09e9c x_refsource_CONFIRM
- https://github.com/varnish/Varnish-Cache/commit/85e8468bec9416bd7e16b0d80cb820ecd2b330c3 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2015-8852
- https://security.gentoo.org/glsa/201607-10 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-8852
- https://www.varnish-cache.org/lists/pipermail/varnish-announce/2015-March/000701.html mailing-listx_refsource_MLISTVendor Advisory
Change history (0)
No recorded changes yet.