Description
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 if that exceeds the total packet length.
References (6)
Core 6
Core References
Mailing List, Third Party Advisory mailing-list
http://www.openwall.com/lists/oss-security/2020/11/27/1
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPCOHDEONMHH6QPJZKRLLCNRGRYODG7X/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/45S5IHSWYITJKMRT23HCHJQDI674AMTQ/
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html
Mailing List mailing-list
https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html
Exploit, Mailing List, Vendor Advisory
https://lists.freedesktop.org/archives/slirp/2020-November/000115.html
Scores
CVSS v3
4.3
EPSS
0.0047
EPSS Percentile
64.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-125
Status
published
Products (4)
debian/debian_linux
9.0
fedoraproject/fedora
32
fedoraproject/fedora
33
libslirp_project/libslirp
< 4.3.1
Published
Nov 26, 2020
Tracked Since
Feb 18, 2026