CVE-2020-29130: debian debian_linux Out-of-bounds Read
Vulnerability summary
CVE-2020-29130 is a medium (CVSS 4.3) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 1.89% chance of exploitation in the next 30 days, higher than 79.5% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 30 · Related 27Timeline
- 26-11-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- OSV · AlpineEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
1.89%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.89% 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
1 foundExploit Reference (lists.freedesktop.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse5 products
- slirp4netns&distro=SUSE Enterprise Storage 7< 0.4.7-3.15.1
- slirp4netns&distro=SUSE Linux Enterprise Micro 5.0< 0.4.7-3.15.1
- slirp4netns&distro=SUSE Linux Enterprise Micro 5.1< 0.4.7-3.15.1
- slirp4netns&distro=SUSE Linux Enterprise Micro 5.2< 0.4.7-3.15.1
- slirp4netns&distro=SUSE Linux Enterprise Module for Containers 15 SP3< 0.4.7-3.15.1
Debian3 products
- libslirp< 4.4.0-1
- qemu< 1:4.1-2
- debian_linuxEOL9.0
Alpine1 product
- libslirp< 4.4.0-r0
Fedoraproject1 product
- fedoraEOL32 | 33
Libslirp_project1 product
- libslirp≤ 4.3.1
Opensuse1 product
- slirp4netns&distro=openSUSE Leap 15.3< 0.4.7-3.15.1
Ubuntu1 product
- libslirp< 4.1.0-2ubuntu2.2
7 vendors · 13 products
References
16 links- lists.freedesktop.org/archives/slirp/2020-November/000115.htmlREPORTExploitMailing ListVendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
Show all 16 references
- lists.opensuse.org/archives/…Advisory