SARA / Free Tools / CVE / CVE-2019-15890

CVE-2019-15890 — libslirp 4

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

CVSS

— —

EPSS

0.57% (top 31.50%)

CWE

—

Published

2019-09-06T16:55:12.000Z

Last modified

2024-08-05T01:03:31.933Z

CVSS vector

—

01What is this vulnerability?

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

Vendor	Product	Versions
n	a / n/a	n/a

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

gitlab.freedesktop.org — https://gitlab.freedesktop.org/slirp/libslirp/commit/c5927943
www.openwall.com — http://www.openwall.com/lists/oss-security/2019/09/06/3
lists.debian.org — https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html
usn.ubuntu.com — https://usn.ubuntu.com/4191-2/
lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00034.html
usn.ubuntu.com — https://usn.ubuntu.com/4191-1/
seclists.org — https://seclists.org/bugtraq/2020/Feb/0
www.debian.org — https://www.debian.org/security/2020/dsa-4616
access.redhat.com — https://access.redhat.com/errata/RHSA-2020:0775

Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.