CVE-2016-7167
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Haxx Libcurl
PublishedOct 7, 2016
First seenOct 7, 2016
How to fix
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZMRWVISG7VUCYRMF23A2UHMYD72VQWAK/
- access.redhat.com/errata/RHSA-2018:3558
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B3IU2FRXQNU6UJIQT4NGLWWTP2GJQXO7/
- access.redhat.com/errata/RHSA-2017:2016
- access.redhat.com/errata/RHSA-2018:2486
- security.gentoo.org/glsa/201701-47
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LTH54DFOS4TSYPG5XKJDGAG4XPAR4T7M/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| haxx libcurl | v ≤ 7.50.2 | — |
| fedoraproject fedora | 23, 24, 25 | — |
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