CVE-2020-7039
MEDIUM
5.6
CVSS Score
Published: January 16, 2020 at 10:51 PM UTC
Updated: June 17, 2026 at 03:24 AM UTC
4 products affected across 4 vendorsDebian LinuxLeapQEMU
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Severity
MEDIUM5.6
Exploit prediction
EPSS 4%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%Leap· openSUSEdrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
- http://www.openwall.com/lists/oss-security/2020/01/16/2
- https://access.redhat.com/errata/RHSA-2020:0348
- https://access.redhat.com/errata/RHSA-2020:0775
- https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289
References (14)
Vendor Advisoryx_refsource_SUSEThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.htmlx_refsource_CONFIRMMailing ListPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2020/01/16/2Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2020:0348Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2020:0775x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/01/msg00022.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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