Low severity3.7NVD Advisory· Published Jul 31, 2018· Updated Jun 17, 2026
CVE-2016-8622
CVE-2016-8622
Description
The URL percent-encoding decode function in libcurl before 7.51.0 is called curl_easy_unescape. Internally, even if this function would be made to allocate a unscape destination buffer larger than 2GB, it would return that new length in a signed 32 bit integer variable, thus the length would get either just truncated or both truncated and turned negative. That could then lead to libcurl writing outside of its heap based buffer.
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Affected products
12- osv-coords10 versionspkg:rpm/opensuse/curl&distro=openSUSE%20Tumbleweedpkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/curl&distro=SUSE%20Studio%20Onsite%201.3pkg:rpm/suse/curl-openssl1&distro=SUSE%20Linux%20Enterprise%20Server%2011-SECURITY
< 7.51.0-1.1+ 9 more
- (no CPE)range: < 7.51.0-1.1
- (no CPE)range: < 7.37.0-31.1
- (no CPE)range: < 7.19.7-1.64.1
- (no CPE)range: < 7.37.0-31.1
- (no CPE)range: < 7.19.7-1.64.1
- (no CPE)range: < 7.37.0-31.1
- (no CPE)range: < 7.19.7-1.64.1
- (no CPE)range: < 7.37.0-31.1
- (no CPE)range: < 7.19.7-1.20.47.2
- (no CPE)range: < 7.19.7-1.64.1
- The Curl Project/curlv5Range: 7.51.0
Patches
Vulnerability mechanics
References
9- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- curl.haxx.se/docs/adv_20161102H.htmlnvdPatchVendor Advisory
- www.securityfocus.com/bid/94105nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1037192nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2018:2486nvdThird Party Advisory
- security.gentoo.org/glsa/201701-47nvdThird Party Advisory
- www.tenable.com/security/tns-2016-21nvdThird Party Advisory
- www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlnvd
- access.redhat.com/errata/RHSA-2018:3558nvd
News mentions
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