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CVE-2018-19591
In the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation…
High7.5EPSS 5.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
In the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation of a socket descriptor that is not closed. This is related to the if_nametoindex() function.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 5.5% · top 7.1% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (12)
- https://sourceware.org/git/?p=glibc.git%3Ba=blob_plain%3Bf=NEWS%3Bhb=HEAD (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2018-f6b7df660d (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 106037 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://sourceware.org/bugzilla/show_bug.cgi?id=23927 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2018-060302dc83 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- GLSA-201903-09 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 1042174 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=d527c860f5a3f0ed687bd03f0cb464612dc23408 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security.netapp.com/advisory/ntap-20190321-0003/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201908-06 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- USN-4416-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
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)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-19591)Record last updated .