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CVE-2017-7407

15
FAUCET Score

CVE-2017-7407 affects haxx curl versions up to 7.53.1, specifically within the ourWriteOut function. This vulnerability is a heap-based buffer over-read that could allow a physically proximate attacker to potentially obtain sensitive information from process memory. Rated with a CVSS score of 2.4 (LOW), exploitation requires physical access to the workstation and relies on a specific --write-out argument ending in a '%' character. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.53.1CPE matchmatch criteria
cpe:2.3:a:haxx:curl:7.53.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

2.4LOW

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 97th percentile among its peer group of 228 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (21)

github_advisorypatch availablevia nvd_reference
View patch
jitsipatch availablevia llm_extracted
Fixed in: 7.53.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: httpd24-curl-0:7.61.1-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: httpd24-nghttp2-0:1.7.1-7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: httpd24-curl-0:7.61.1-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: httpd24-httpd-0:2.4.34-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: httpd24-nghttp2-0:1.7.1-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: httpd24-curl-0:7.61.1-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: httpd24-httpd-0:2.4.34-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: httpd24-nghttp2-0:1.7.1-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: httpd24-curl-0:7.61.1-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: httpd24-httpd-0:2.4.34-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: httpd24-nghttp2-0:1.7.1-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: httpd24-curl-0:7.61.1-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: httpd24-httpd-0:2.4.34-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: httpd24-nghttp2-0:1.7.1-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: httpd24-httpd-0:2.4.34-7.el6
View patch
sierra_wirelesspatch availablevia llm_extracted
Fixed in: 7.53.1
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Virtualization 3Fixed in: mingw-virt-viewer
redhatend of lifevia redhat_api
Product: Red Hat JBoss Web Server 3Fixed in: curl
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: curl

Vendor Advisories (3)

redhatCVE-2017-7407Low

curl: --write-out out of bounds read

Apr 4, 2017
sierra_wirelessllm-sierra_wireless-bd58c6662ae7666aMEDIUM

--write-out out of buffer read

Apr 3, 2017
jitsillm-jitsi-92822f8a16429805MEDIUM

--write-out out of buffer read

Apr 3, 2017

References

access.redhat.com / errata/RHSA-2018:3558
github.com / curl/curl/commit/1890d59905414ab84a35892b2e45833654aa5c13
PatchVendor Advisory
security.gentoo.org / glsa/201709-14
oracle.com / technetwork/security-advisory/cpuoct2018-4428296.html