Vulnerability-Lookup

FKIE_CVE-2018-16842

Vulnerability from fkie_nvd - Published: 2018-10-31 19:29 - Updated: 2026-06-17 01:44

Severity

4.4 (Medium) - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
9.1 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Summary

Curl versions 7.14.1 through 7.61.1 are vulnerable to a heap-based buffer over-read in the tool_msgs.c:voutf() function that may result in information exposure and denial of service.

References

URL	Tags
secalert@redhat.com	http://www.securitytracker.com/id/1042014	Third Party Advisory, VDB Entry
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2019:2181
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16842	Issue Tracking, Third Party Advisory
secalert@redhat.com	https://curl.haxx.se/docs/CVE-2018-16842.html	Patch, Vendor Advisory
secalert@redhat.com	https://github.com/curl/curl/commit/d530e92f59ae9bb2d47066c3c460b25d2ffeb211	Patch, Third Party Advisory
secalert@redhat.com	https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html	Mailing List, Third Party Advisory
secalert@redhat.com	https://security.gentoo.org/glsa/201903-03	Third Party Advisory
secalert@redhat.com	https://usn.ubuntu.com/3805-1/	Third Party Advisory
secalert@redhat.com	https://usn.ubuntu.com/3805-2/	Third Party Advisory
secalert@redhat.com	https://www.debian.org/security/2018/dsa-4331	Third Party Advisory
secalert@redhat.com	https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
af854a3a-2127-422b-91ae-364da2661108	http://www.securitytracker.com/id/1042014	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2019:2181
af854a3a-2127-422b-91ae-364da2661108	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16842	Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://curl.haxx.se/docs/CVE-2018-16842.html	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/curl/curl/commit/d530e92f59ae9bb2d47066c3c460b25d2ffeb211	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/201903-03	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/3805-1/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/3805-2/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.debian.org/security/2018/dsa-4331	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

Impacted products

Vendor	Product	Version
haxx	curl	*
canonical	ubuntu_linux	12.04
canonical	ubuntu_linux	14.04
canonical	ubuntu_linux	16.04
canonical	ubuntu_linux	18.04
canonical	ubuntu_linux	18.10
debian	debian_linux	8.0
debian	debian_linux	9.0

JSON

To clipboard

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          "vendor": "The Curl Project",
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  "lastModified": "2026-06-17T01:44:53.220",
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}

CVE-2018-16842 (GCVE-0-2018-16842)

Vulnerability from cvelistv5 – Published: 2018-10-31 19:00 – Updated: 2026-04-15 20:56

Summary

Curl versions 7.14.1 through 7.61.1 are vulnerable to a heap-based buffer over-read in the tool_msgs.c:voutf() function that may result in information exposure and denial of service.

Severity

4.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-15 20:56 UTC

CWE

CWE-125

Assigner

redhat redhat root

References

11 references

URL	Tags
https://security.gentoo.org/glsa/201903-03	vendor-advisoryx_refsource_GENTOO
https://www.debian.org/security/2018/dsa-4331	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
https://curl.haxx.se/docs/CVE-2018-16842.html	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
http://www.securitytracker.com/id/1042014	vdb-entryx_refsource_SECTRACK
https://github.com/curl/curl/commit/d530e92f59ae9…	x_refsource_CONFIRM
https://usn.ubuntu.com/3805-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3805-1/	vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:2181	vendor-advisoryx_refsource_REDHAT
https://www.oracle.com/technetwork/security-advis…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
The Curl Project	curl:	Affected: from 7.14.1 to 7.61.1

Date Public

2018-10-31 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.