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CVE-2020-8608
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.
Medium5.6EPSS 2.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.6 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (7 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.6.
Weakness
Affected products
n/a
- affected n/a
References (12)
- https://gitlab.freedesktop.org/slirp/libslirp/commit/68ccb8021a838066f0951d4b2817eb6b6f10a843 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.openwall.com/lists/oss-security/2020/02/06/2 (opens in a new tab)x_refsource_MISCx_transferred
- https://gitlab.freedesktop.org/slirp/libslirp/-/tags/v4.1.0 (opens in a new tab)x_refsource_MISCx_transferred
- USN-4283-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [debian-lts-announce] 20200313 [SECURITY] [DLA 2142-1] slirp security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20200316 [SECURITY] [DLA 2144-1] qemu security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- GLSA-202003-66 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- openSUSE-SU-2020:0468 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-4733 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://security.netapp.com/advisory/ntap-20201001-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20210209 [SECURITY] [DLA 2551-1] slirp security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2020-8608)Record last updated .