GNU C Library: Arbitrary descriptor allocation — GLSA 201903-09

A vulnerability in the GNU C Library could result in a Denial of Service condition.

Affected Packages

sys-libs/glibc on all architectures
Affected versions < 2.26.0
Unaffected versions >= 2.26.0

Background

The GNU C library is the standard C library used by Gentoo Linux systems.

Description

A vulnerability was discovered in the GNU C Library functions xdr_bytes and xdr_string.

Impact

A remote attacker, by sending a crafted UDP packet, could cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All GNU C Library users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.26.0"
 

References

Release Date
March 14, 2019

Latest Revision
March 14, 2019: 1

Severity
normal

Exploitable
remote

Bugzilla entries