MEDIUM
curl: sensitive HTTP server headers also sent to proxies
Published May 1, 2015
5.0
MEDIUMCVSS 2.0
EPSS 7.25%
Description
The default configuration for cURL and libcurl before 7.42.1 sends custom HTTP headers to both the proxy and destination server, which might allow remote proxy servers to obtain sensitive information by reading the header contents.
Affected products
No data.
Configuration 1
OR
- ≤ 12.1.3
- 12.2.0
- 12.2.1
- 12.3.0
Configuration 3
OR
- 12.04
- 14.04
- 14.10
- 15.1
Configuration 5
- 8.0
No data.
Red Hat Ceph Storage 1.2
curl
Will not fix
Red Hat Enterprise Linux 5
curl
Will not fix
Red Hat Enterprise Linux 6
curl
Will not fix
Red Hat Enterprise Linux 7
curl
Will not fix
Red Hat Enterprise Virtualization 3
mingw-virt-viewer
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Ceph Storage 1.2 | curl | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | curl | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | curl | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | curl | Will not fix | n/a |
| Red Hat Enterprise Virtualization 3 | mingw-virt-viewer | Will not fix | 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.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
7.25% 0.07247
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.07247
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 (40 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.25% (0.07247) | 94.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.54% (0.07538) | 93.70th | v5 (v2026.06.15) |
| May 13, 2026 | 8.37% (0.08372) | 92.37th | v4 (v2025.03.14) |
| Mar 4, 2026 | 9.76% (0.09760) | 92.81th | v4 (v2025.03.14) |
| Mar 1, 2026 | 6.94% (0.06936) | 91.30th | v4 (v2025.03.14) |
| Feb 4, 2026 | 9.76% (0.09760) | 92.75th | v4 (v2025.03.14) |
| Feb 1, 2026 | 6.94% (0.06936) | 91.24th | v4 (v2025.03.14) |
| Jan 22, 2026 | 9.76% (0.09760) | 92.72th | v4 (v2025.03.14) |
| Jan 4, 2026 | 8.12% (0.08124) | 91.89th | v4 (v2025.03.14) |
| Jan 1, 2026 | 5.73% (0.05735) | 90.23th | v4 (v2025.03.14) |
| Dec 28, 2025 | 8.12% (0.08124) | 91.87th | v4 (v2025.03.14) |
| Dec 27, 2025 | 6.95% (0.06946) | 91.15th | v4 (v2025.03.14) |
| Dec 4, 2025 | 8.12% (0.08124) | 91.83th | v4 (v2025.03.14) |
| Dec 1, 2025 | 5.73% (0.05735) | 90.14th | v4 (v2025.03.14) |
| Nov 4, 2025 | 8.12% (0.08124) | 91.77th | v4 (v2025.03.14) |
| Nov 1, 2025 | 5.73% (0.05735) | 90.08th | v4 (v2025.03.14) |
| Oct 4, 2025 | 7.24% (0.07242) | 91.26th | v4 (v2025.03.14) |
| Sep 4, 2025 | 6.18% (0.06181) | 90.49th | v4 (v2025.03.14) |
| Sep 1, 2025 | 4.85% (0.04846) | 89.19th | v4 (v2025.03.14) |
| Aug 5, 2025 | 6.18% (0.06181) | 90.47th | v4 (v2025.03.14) |
| Aug 1, 2025 | 4.91% (0.04909) | 89.27th | v4 (v2025.03.14) |
| Jul 13, 2025 | 6.18% (0.06181) | 90.40th | v4 (v2025.03.14) |
| May 11, 2025 | 3.04% (0.03038) | 85.93th | v4 (v2025.03.14) |
| May 4, 2025 | 4.82% (0.04824) | 88.90th | v4 (v2025.03.14) |
| May 1, 2025 | 3.76% (0.03756) | 87.43th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.82% (0.04824) | 88.51th | v4 (v2025.03.14) |
| Mar 29, 2025 | 32.12% (0.32120) | 95.02th | v4 (v2025.03.14) |
| Mar 27, 2025 | 4.82% (0.04824) | 88.06th | v4 (v2025.03.14) |
| Mar 25, 2025 | 3.76% (0.03756) | 86.88th | v4 (v2025.03.14) |
| Mar 23, 2025 | 4.82% (0.04824) | 87.56th | v4 (v2025.03.14) |
| Mar 22, 2025 | 3.76% (0.03756) | 87.04th | v4 (v2025.03.14) |
| Mar 21, 2025 | 4.82% (0.04824) | 88.60th | v4 (v2025.03.14) |
| Mar 20, 2025 | 3.76% (0.03756) | 87.04th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.82% (0.04824) | 88.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.39% (0.00390) | 74.14th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.38% (0.00379) | 72.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.38% (0.00379) | 68.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (2)
References (18)
- http://curl.haxx.se/docs/adv_20150429.html x_refsource_CONFIRMVendor Advisory
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10743 x_refsource_CONFIRM
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00017.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2015/dsa-3240 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html x_refsource_CONFIRMPatchThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html x_refsource_CONFIRMPatchThird Party Advisory
- http://www.securityfocus.com/bid/74408 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1032233 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2591-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2015-3153 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1217341 Issue Tracking
- https://kc.mcafee.com/corporate/index?page=content&id=SB10131 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2015-3153
- https://support.apple.com/kb/HT205031 x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2015-3153
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published May 1, 2015
Updated Aug 6, 2024
Reserved Apr 10, 2015
Link CVE-2015-3153
CISA Vulnrichment
Updated n/a