CVEvulnerability
CVE-2020-7039
5.6 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-01-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.6 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.
Affected configurations
• libslirp project libslirp 4.1.0
• qemu qemu 4.2.0
• debian debian linux 8.0
• debian debian linux 9.0
• opensuse leap 15.1
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/01/16/2 Mailing List, Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0348 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0775 Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289 Patch, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80 Patch, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html Mailing List, Third Party Advisory
- https://seclists.org/bugtraq/2020/Feb/0 Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202005-02 Third Party Advisory
- https://usn.ubuntu.com/4283-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4616 Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/01/16/2 Mailing List, Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0348 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0775 Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289 Patch, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80 Patch, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html Mailing List, Third Party Advisory
- https://seclists.org/bugtraq/2020/Feb/0 Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202005-02 Third Party Advisory
- https://usn.ubuntu.com/4283-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4616 Third Party Advisory