Topic

An update for java-1.8.0-ibm is now available for Red Hat Enterprise Linux 6 Supplementary.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit.

This update upgrades IBM Java SE 8 to version 8 SR5-FP30.

Security Fix(es):

• IBM JDK: buffer overflow in jio_snprintf() and jio_vsnprintf() (CVE-2018-12547)
• IBM JDK: missing null check when accelerating Unsafe calls (CVE-2018-12549)
• OpenJDK: memory disclosure in FileChannelImpl (Libraries, 8206290) (CVE-2019-2422)
• libjpeg-turbo: Divide By Zero in alloc_sarray function in jmemmgr.c (CVE-2018-11212)
• Oracle JDK: unspecified vulnerability fixed in 8u201 (Deployment) (CVE-2019-2449)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of IBM Java must be restarted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64

Fixes

• BZ - 1579973 - CVE-2018-11212 libjpeg-turbo: Divide By Zero in alloc_sarray function in jmemmgr.c
• BZ - 1665945 - CVE-2019-2422 OpenJDK: memory disclosure in FileChannelImpl (Libraries, 8206290)
• BZ - 1685601 - CVE-2019-2449 Oracle JDK: unspecified vulnerability fixed in 8u201 (Deployment)
• BZ - 1685611 - CVE-2018-12547 IBM JDK: buffer overflow in jio_snprintf() and jio_vsnprintf()
• BZ - 1685717 - CVE-2018-12549 IBM JDK: missing null check when accelerating Unsafe calls

CVEs

• CVE-2018-11212
• CVE-2018-12547
• CVE-2018-12549
• CVE-2019-2422
• CVE-2019-2449

References

• https://access.redhat.com/security/updates/classification/#critical