Skip to main content

Libslirp CVE-2019-15890

HIGH
Use After Free (CWE-416)
2019-09-06 cve@mitre.org
7.5
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Sep 06, 2019 - 17:15 nvd
HIGH 7.5

DescriptionNVD

libslirp 4.0.0, as used in QEMU 4.1.0, has a use-after-free in ip_reass in ip_input.c.

AnalysisAI

libslirp 4.0.0, as used in QEMU 4.1.0, has a use-after-free in ip_reass in ip_input.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. libslirp 4.0.0, as used in QEMU 4.1.0, has a use-after-free in ip_reass in ip_input.c. Affected products include: Libslirp Project Libslirp, Qemu.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

CVE-2020-1983 MEDIUM POC
6.5 Apr 22

A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets t

CVE-2019-14378 HIGH POC
8.8 Jul 29

ip_reass in ip_input.c in libslirp 4.0.0 has a heap-based buffer overflow via a large packet because it mishandles a cas

CVE-2020-29130 MEDIUM POC
4.3 Nov 26

slirp.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even i

CVE-2020-7211 HIGH
7.5 Jan 21

tftp.c in libslirp 4.1.0, as used in QEMU 4.2.0, does not prevent ..\ directory traversal on Windows. Rated high severit

CVE-2026-9539 MEDIUM
6.5 Jun 24

Out-of-bounds heap read and integer underflow in libslirp's TCP urgent data handler (sosendoob) exposes gigabytes of hos

CVE-2020-10756 MEDIUM
6.5 Jul 09

An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. Rated medium

CVE-2020-8608 MEDIUM
5.6 Feb 06

In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c misuses snprintf return values, leading to a buffer overflow in lat

CVE-2020-7039 MEDIUM
5.6 Jan 16

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 i

CVE-2020-29129 MEDIUM
4.3 Nov 26

ncsi.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even if

CVE-2021-3595 LOW
3.8 Jun 15

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. Rated low severity (CV

CVE-2021-3594 LOW
3.8 Jun 15

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. Rated low severity (CV

CVE-2021-3593 LOW
3.8 Jun 15

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. Rated low severity (CV

Share

CVE-2019-15890 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy