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USN-4437-1: libslirp vulnerability

27 July 2020

libslirp could be made to crash if it received specially crafted network traffic.

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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

Ziming Zhang and VictorV discovered that libslirp incorrectly handled
replying to certain ICMP echo requests. A remote attacker could possibly
use this issue to cause libslirp to crash, resulting in a denial of
service.

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 20.04

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

References

Related notices

  • USN-4467-1: qemu-system-x86-microvm, qemu-user-static, qemu-system-aarch64, qemu-system, qemu-system-data, qemu-guest-agent, qemu-system-ppc, qemu-system-s390x, qemu-user-binfmt, qemu, qemu-system-arm, qemu-system-mips, qemu-utils, qemu-system-misc, qemu-system-common, qemu-user, qemu-system-x86-xen, qemu-system-x86, qemu-kvm, qemu-block-extra, qemu-system-gui, qemu-system-sparc