Buffer overflow in Icu-Project International Components For Unicode
CVE-2016-6293
The uloc_acceptLanguageFromHTTP function in common/uloc.cpp in International Components for Unicode (ICU) through 57.1 for C/C++ does not ensure that there is a '\0' character at the end of a certain temporary array, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a call with a long httpAcceptLanguage argument.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.050 (91.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.050 · newest: 0.050 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.php.net/
- bugs.php.net/72533 (Exploit, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/201701-58 (vendor-advisory, Third Party Advisory)
- openwall.com/lists/oss-security/2016/07/24/2 (mailing-list, Mailing List)
- www.securityfocus.com/bid/92127 (VDB Entry, Third Party Advisory, vdb-entry)
- www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
Frequently asked questions
- What is CVE-2016-6293?
- CVE-2016-6293 is a critical-severity vulnerability in Icu-Project International Components For Unicode, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-07-25.
- How severe is CVE-2016-6293?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-6293 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.