CVE-2019-14378ip_reass in ip_input.c in libslirp 4.0.0 has a heap-based buffer overflow via a large packet because it mishandles a case involving the…
- 8.8HighCVSS base score
- 16.7%Exploitation in 30 daysEPSS · top 2.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
ip_reass in ip_input.c in libslirp 4.0.0 has a heap-based buffer overflow via a large packet because it mishandles a case involving the first fragment.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- QEMU - Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 47320dos, linuxpublished 20 Aug 2019Not verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 16.7% · top 2.9% of all CVEs (14 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
n/a
- affected n/a
References
References27
- https://gitlab.freedesktop.org/slirp/libslirp/commit/126c04acbabd7ad32c2b018fe10dfac2a3bc1210 (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20190801 CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2019-77bafc4454 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 20190825 [SECURITY] [DSA 4506-1] qemu security update (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- DSA-4506 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://blog.bi0s.in/2019/08/24/Pwn/VM-Escape/2019-07-29-qemu-vm-escape-cve-2019-14378/ (opens in a new tab)x_refsource_MISCx_transferred
- https://news.ycombinator.com/item?id=20799010 (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/154269/QEMU-Denial-Of-Service.html (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2019:2041 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-4512 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20190902 [SECURITY] [DSA 4512-1] qemu security update (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- openSUSE-SU-2019:2059 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://support.f5.com/csp/article/K25423748 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20190920 [SECURITY] [DLA 1927-1] qemu security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://support.f5.com/csp/article/K25423748?utm_source=f5support&%3Butm_medium=RSS (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2019:3179 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:3403 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:3494 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:3742 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:3787 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-4191-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2019:2510 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-4191-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2019:3968 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:4344 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0366 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0775 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_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)
- EUVD EUVD-2019-5587 (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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-14378)Record last updated .