CVE-2017-12133
glibc: Use-after-free read access in clntudp_call in sunrpc
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · February 8, 2017
Updated · May 13, 2026
Description
Use-after-free vulnerability in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) before 2.26 allows remote attackers to have unspecified impact via vectors related to error path.
Statement
This issue does not affect the versions of gcc compiler shipped with Red Hat Enterprise Linux, because The patch for CVE-2016-4429 was not backported for those versions of glibc.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 3.7CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-416 · Use After Free