CVE-2016-5417: gnu glibc Resource Management Errors
Vulnerability summary
CVE-2016-5417 is a high (CVSS 7.5) Resource Management Errors vulnerability in gnu glibc. EPSS estimates a 3.36% chance of exploitation in the next 30 days, higher than 88.7% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 16-02-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
3.36%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.36% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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.
Debian1 product
- glibc< 2.22-4
Gnu1 product
- glibc≤ 2.23
Ubuntu1 product
- glibc< 2.23-0ubuntu6
3 vendors · 3 products
References
9 links- sourceware.org/bugzilla/show_bug.cgi?id=19257X Refsource CONFIRMIssue TrackingPatchThird Party AdvisoryVDB EntryREPORT
- sourceware.org/git/…X Refsource CONFIRM
- www.openwall.com/lists/oss-security/2016/08/02/5Mailing ListX Refsource MLISTThird Party AdvisoryREPORT
