Debian Security Advisory

DLA-2551-1 slirp -- LTS security update

Date Reported:
09 Feb 2021
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2020-7039, CVE-2020-8608.
More information:

Two issues have been found in slirp, a SLIP/PPP emulator using a dial up shell account.

  • CVE-2020-7039

    Due to mismanagement of memory, a heap-based buffer overflow or other out-of-bounds access might happen, which can lead to a DoS or potential execute arbitrary code.

  • CVE-2020-8608

    Prevent a buffer overflow vulnerability due to incorrect usage of return values from snprintf.

    For Debian 9 stretch, these problems have been fixed in version 1:1.0.17-8+deb9u1.

    We recommend that you upgrade your slirp packages.

    For the detailed security status of slirp please refer to its security tracker page at:

    Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: