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USN-4218-1: GNU C Library vulnerability

10 December 2019

GNU C Library could be made to execute arbitrary code or cause a crash if it received a specially crafted input.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

Details

Jakub Wilk discovered that GNU C Library incorrectly handled certain memory alignments.
An attacker could possibly use this issue to execute arbitrary code or cause
a crash.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04
Ubuntu 12.04

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

Related notices

  • USN-4416-1: glibc-source, glibc-doc, libc6-udeb, libc6-pic, libc6-dev-i386, nscd, libc6-amd64, libc6-dev, libc6-armel, libc6-dev-s390, libc6, libc-bin, libc6-dev-armel, libc6-ppc64, libc6-i386, multiarch-support, libc-dev-bin, locales, libc6-dev-x32, libc6-x32, locales-all, libc6-dev-amd64, libc6-s390, glibc, libc6-dev-ppc64