- Issued:
- 2004-09-01
- Updated:
- 2004-09-01
RHEA-2004:267 - Product Enhancement Advisory
Synopsis
Updated bison package fixes crash
Type/Severity
Product Enhancement Advisory
Topic
An updated bison package that fixes a crash on some architectures when
given a certain input
syntax is now available.
Description
Bison is a general purpose parser generator that converts a grammar
description for a LALR(1) context-free grammar into a C program for
parsing. Bison is used to develop a wide range of language parsers, from
ones used in simple desk calculators to complex programming languages.
Bison is upwardly compatible with Yacc, so any correctly written Yacc
grammar should work with Bison without any changes.
When given certain deprecated input syntax, bison could crash. This updated
package tightens some syntax requirements, and does not crash on any known
input.
All users of bison should upgrade to this updated package, which resolves
this issue.
Solution
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
If up2date fails to connect to Red Hat Network due to SSL
Certificate Errors, you need to install a version of the
up2date client with an updated certificate. The latest version of
up2date is available from the Red Hat FTP site and may also be
downloaded directly from the RHN website:
Affected Products
- Red Hat Enterprise Linux Server 3 x86_64
- Red Hat Enterprise Linux Server 3 ia64
- Red Hat Enterprise Linux Server 3 i386
- Red Hat Enterprise Linux Workstation 3 x86_64
- Red Hat Enterprise Linux Workstation 3 ia64
- Red Hat Enterprise Linux Workstation 3 i386
- Red Hat Enterprise Linux Desktop 3 x86_64
- Red Hat Enterprise Linux Desktop 3 i386
- Red Hat Enterprise Linux for IBM z Systems 3 s390x
- Red Hat Enterprise Linux for IBM z Systems 3 s390
- Red Hat Enterprise Linux for Power, big endian 3 ppc
Fixes
- BZ - 116823 - bison crashes with missing ending semicolon
- BZ - 127101 - Bison 1.875c breaks rebuilding of gcc 3.2.3
CVEs
(none)
References
(none)
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.