CVE-2020-8608: debian debian_linux
Vulnerability summary
CVE-2020-8608 is a medium (CVSS 6.8) vulnerability in debian debian_linux. EPSS estimates a 2.49% chance of exploitation in the next 30 days, higher than 84.6% of scored vulnerabilities.
Not severe (CVSS 5.6, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 40 · Related 28Timeline
- 06-02-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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 later code.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.6MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- OSV · DebianEcosystem advisory · calculated5.6MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- NVDNIST5.6MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS trend
Probability
2.49%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.49% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat189 products
- buildah< 0:1.11.6-6.module+el8.1.1+5865+cc793d95
- buildah-debuginfo< 0:1.11.6-6.module+el8.1.1+5865+cc793d95
- buildah-debugsource< 0:1.11.6-6.module+el8.1.1+5865+cc793d95
- buildah-tests< 0:1.11.6-6.module+el8.1.1+5865+cc793d95
- buildah-tests-debuginfo< 0:1.11.6-6.module+el8.1.1+5865+cc793d95
Debian5 products
- libslirp< 4.2.0-1
- qemu< 1:3.1+dfsg-8+deb10u7 | < 1:4.1-2
- slirp< 1:1.0.17-7+deb8u2 | < 1:1.0.17-11
- slirp4netns< 1.0.1-1
- debian_linuxEOL8.0 | 9.0 | 10.0
Ubuntu4 products
- libslirp< 4.1.0-2ubuntu1
- qemu< 2.0.0+dfsg-2ubuntu1.47+esm4 | < 1:2.5+dfsg-5ubuntu10.43 | < 1:2.11+dfsg-1ubuntu7.23
- slirp< 1:1.0.17-7+deb8u2build0.14.04.1+esm1 | < 1:1.0.17-8ubuntu16.04.1 | < 1:1.0.17-8ubuntu18.04.1 | All versions (No fix recorded)
- slirp4netnsAll versions (No fix recorded)
Libslirp_project1 product
- libslirp4.1.0
Opensuse1 product
- leapEOL15.1
5 vendors · 200 products · Showing 200 of 249
References
49 links- gitlab.freedesktop.org/slirp/libslirp/commit/68ccb8021a838066f0951d4b2817eb6b6f10a843X Refsource MISCPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2020/02/06/2X Refsource MISCREPORTMailing ListPatchThird Party Advisory
- gitlab.freedesktop.org/slirp/libslirp/-/tags/v4.1.0X Refsource MISCRelease NotesThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/03/msg00015.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/03/msg00017.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 49 references
- lists.debian.org/debian-lts-announce/2021/02/msg00012.htmlMailing ListX Refsource MLISTThird Party Advisory