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Vulnerabilities / CVE-2016-7167

critical

CVE-2016-7167

curl: escape and unescape integer overflows

Published Modified CWE 190
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat2.9CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Oracle (medium), Red Hat (low), Amazon (low), Ubuntu (low).

Description

Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.10curl7.50.3-r0
alpine 3.11curl7.50.3
alpine 3.12curl7.50.3-r0
alpine 3.13curl7.50.3-r0
alpine 3.14curl7.50.3-r0
alpine 3.15curl7.50.3-r0
alpine 3.16curl7.50.3-r0
alpine 3.17curl7.50.3-r0
alpine 3.18curl7.50.3-r0
alpine 3.19curl7.50.3-r0
alpine 3.2curl7.49.1-r3
alpine 3.20curl7.50.3-r0
Show all 56 entries from 45 sources
SourcePackageFixed in
alpine 3.10curl7.50.3-r0
alpine 3.11curl7.50.3
alpine 3.12curl7.50.3-r0
alpine 3.13curl7.50.3-r0
alpine 3.14curl7.50.3-r0
alpine 3.15curl7.50.3-r0
alpine 3.16curl7.50.3-r0
alpine 3.17curl7.50.3-r0
alpine 3.18curl7.50.3-r0
alpine 3.19curl7.50.3-r0
alpine 3.2curl7.49.1-r3
alpine 3.20curl7.50.3-r0
alpine 3.21curl7.50.3-r0
alpine 3.22curl7.50.3-r0
alpine 3.23curl7.50.3-r0
alpine 3.24curl7.50.3-r0
alpine 3.3curl7.49.1-r3
alpine 3.4curl7.50.3-r0
alpine 3.5curl7.50.3-r0
alpine 3.6curl7.50.3
alpine 3.7curl7.50.3
alpine 3.8curl7.50.3
alpine 3.9curl7.50.3-r1
alpine edgecurl7.50.3-r0
amazon linux 1curl7.47.1-8.65.amzn1
amazon linux 1curl-debuginfo7.47.1-8.65.amzn1
amazon linux 1libcurl7.47.1-8.65.amzn1
amazon linux 1libcurl-devel7.47.1-8.65.amzn1
debian 11curl7.51.0-1
debian 12curl7.51.0-1
debian 13curl7.51.0-1
debian 14curl7.51.0-1
debian 7curl7.26.0-1+wheezy16
debian 8curl7.38.0-4+deb8u13
echocurl7.51.0-1
Oracle Linux 7curl7.29.0-42.el7
Oracle Linux 7libcurl7.29.0-42.el7
Oracle Linux 7libcurl-devel7.29.0-42.el7
Red Hatcurlno fix listed
Red Hatlibcurlno fix listed
Red Hatlibcurl-develno fix listed
Red Hatrh-dotnet21-curlno fix listed
Red Hatrh-dotnet21-libcurlno fix listed
Red Hatrh-dotnet21-libcurl-develno fix listed
root.io debian 11rootio-curl7.51.0-1
root.io debian 12rootio-curl7.51.0-1
root.io debian 13rootio-curl7.51.0-1
seal Red Hat 8curl7.61.1-34.el8_10.3+sp999
seal Red Hat 8seal-curl7.61.1-34.el8_10.3+sp999
ubuntu 12.04curl7.22.0-3ubuntu4.17
ubuntu 14.04curl7.35.0-1ubuntu2.10
ubuntu 14.04-ESMcurl7.35.0-1ubuntu2.10
ubuntu 16.04curl7.47.0-1ubuntu2.2
ubuntu 16.04-ESMcurl7.47.0-1ubuntu2.2
ubuntu 16.10curl7.50.1-1ubuntu1.1
ubuntu 17.04curl7.50.1-1ubuntu2

References

All 20 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.