CVE-2015-3153

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 92.5%
KEV: Not listed

Published

May 1, 2015

Last Modified

May 6, 2026

References (28)

secalert@redhathttp://curl.haxx.se/docs/adv_20150429.html
secalert@redhathttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10743
secalert@redhathttp://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
secalert@redhathttp://lists.opensuse.org/opensuse-updates/2015-05/msg00017.html
secalert@redhathttp://www.debian.org/security/2015/dsa-3240
secalert@redhathttp://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
secalert@redhathttp://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
secalert@redhathttp://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
secalert@redhathttp://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
secalert@redhathttp://www.securityfocus.com/bid/74408
secalert@redhathttp://www.securitytracker.com/id/1032233
secalert@redhathttp://www.ubuntu.com/usn/USN-2591-1
secalert@redhathttps://kc.mcafee.com/corporate/index?page=content&id=SB10131
secalert@redhathttps://support.apple.com/kb/HT205031
af854a3a-2127-422b-91ae-364da2661108http://curl.haxx.se/docs/adv_20150429.html

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	libcurl3-nss (7.22.0-3ubuntu4.14) @ precise	2026-05-23	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

UbuntuUSN-2591-1MEDIUM
curl vulnerabilities

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-07 07:50 UTCOSV refresh
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore

Frequently asked(4)

What is CVE-2015-3153?

CVE-2015-3153 is a none vulnerability published on May 1, 2015. 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.

When was CVE-2015-3153 disclosed?

CVE-2015-3153 was first published in the National Vulnerability Database on May 1, 2015, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2015-3153 actively exploited?

CVE-2015-3153 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 92.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2015-3153?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-3153, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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