CVEvulnerability
CVE-2019-7309
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-02-03
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
Description
In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled.
Affected configurations
• gnu glibc (<= 2.29)
References
- http://www.securityfocus.com/bid/106835 Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/202006-04 security.gentoo.org
- https://sourceware.org/bugzilla/show_bug.cgi?id=24155 Exploit, Issue Tracking, Third Party Advisory
- https://sourceware.org/ml/libc-alpha/2019-02/msg00041.html Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106835 Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/202006-04 security.gentoo.org
- https://sourceware.org/bugzilla/show_bug.cgi?id=24155 Exploit, Issue Tracking, Third Party Advisory
- https://sourceware.org/ml/libc-alpha/2019-02/msg00041.html Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com