RHSA-2019:3127: Important: java-11-openjdk security update
The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit.Security Fix(es): OpenJDK: Improper handling of Kerberos proxy credentials (Kerberos, 8220302) (CVE-2019-2949) OpenJDK: Unexpected exception thrown during regular expression processing in Nashorn (Scripting, 8223518) (CVE-2019-2975) OpenJDK: Out of bounds access in optimized String indexof implementation (Hotspot, 8224062) (CVE-2019-2977) OpenJDK: Incorrect handling of nested jar: URLs in Jar URL handler (Networking, 8223892) (CVE-2019-2978) OpenJDK: Incorrect handling of HTTP proxy responses in HttpURLConnection (Networking, 8225298) (CVE-2019-2989) OpenJDK: Missing restrictions on use of custom SocketImpl (Networking, 8218573) (CVE-2019-2945) OpenJDK: NULL pointer dereference in DrawGlyphList (2D, 8222690) (CVE-2019-2962) OpenJDK: Unexpected exception thrown by Pattern processing crafted regular expression (Concurrency, 8222684) (CVE-2019-2964) OpenJDK: Unexpected exception thrown by XPathParser processing crafted XPath expression (JAXP, 8223505) (CVE-2019-2973) OpenJDK: Unexpected exception thrown by XPath processing crafted XPath expression (JAXP, 8224532) (CVE-2019-2981) OpenJDK: Unexpected exception thrown during Font object deserialization (Serialization, 8224915) (CVE-2019-2983) OpenJDK: Missing glyph bitmap image dimension check in FreetypeFontScaler (2D, 8225286) (CVE-2019-2987) OpenJDK: Integer overflow in bounds check in SunGraphics2D (2D, 8225292) (CVE-2019-2988) OpenJDK: Excessive memory allocation in CMap when reading TrueType font (2D, 8225597) (CVE-2019-2992) OpenJDK: Insufficient filtering of HTML event attributes in Javadoc (Javadoc, 8226765) (CVE-2019-2999) 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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2019:3127?
The severity of RHSA-2019:3127 is classified as moderate, primarily due to the improper handling of Kerberos proxy credentials.
How do I fix RHSA-2019:3127?
To fix RHSA-2019:3127, you should update your packages to the latest version 11-openjdk-11.0.5.10-0.el7_7 or the corresponding updates for other affected packages.
What is the impact of CVE-2019-2949 associated with RHSA-2019:3127?
CVE-2019-2949 can allow an adversary to authenticate as a user without their credentials if proper mitigation is not applied.
Which packages are affected by RHSA-2019:3127?
Affected packages include various 11-openjdk variants, such as java, debug, and headless, among others under the 11.0.5 series.
Is there a workaround for the vulnerabilities in RHSA-2019:3127?
There are no recommended workarounds for RHSA-2019:3127; patching is the advised method to mitigate vulnerabilities.