CVE-2016-3706: gnu glibc Improper Input Validation

Modified

AliasesUBUNTU-CVE-2016-3706DEBIAN-CVE-2016-3706

Published 10-06-2016Last modified 06-08-2024

Vulnerability summary

CVE-2016-3706 is a high (CVSS 7.5) Improper Input Validation vulnerability in gnu glibc. EPSS estimates a 5.93% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities.

Priority

Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 6% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?

CVSS score

7.5/10

010

High · v3.1 (NVD)

EPSS score

5.93%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 5

DLA-494-1 MGASA-2016-0206 OPENSUSE-SU-2024:10154-1 SUSE-SU-2016:1721-1 SUSE-SU-2016:1733-1 SUSE-SU-2016:2156-1+1 more

Timeline

10-06-2016
PublishedVulnerability first disclosed.
06-08-2024
Last modifiedVulnerability information updated.

Description

Stack-based buffer overflow in the getaddrinfo function in sysdeps/posix/getaddrinfo.c in the GNU C Library (aka glibc or libc6) allows remote attackers to cause a denial of service (crash) via vectors involving hostent conversion. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-4458.

CVSS metrics

5 scores · 3 sources · 3 versions

v3.17.5v3.07.5v2.05.0

EPSS trend

Probability

5.93%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

No change 0.00 pp

From 5.93% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu2 products

eglibc< 2.19-0ubuntu6.10
glibc< 2.23-0ubuntu6

Debian1 product

glibc< 2.22-8

Gnu1 product

glibc< 2.23

Opensuse1 product

opensuseEOL13.2

4 vendors · 5 products

References

13 links

lists.opensuse.org/opensuse-updates/2016-07/msg00039.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=4ab2ab03d4351914ee53248dc5aef4a8c88ff8b9X Refsource CONFIRM
www.securityfocus.com/bid/88440VDB EntryX Refsource BIDThird Party Advisory
www-01.ibm.com/support/docview.wss?uid=swg21995039X Refsource CONFIRMThird Party Advisory
sourceware.org/bugzilla/show_bug.cgi?id=20010X Refsource CONFIRMIssue Tracking
source.android.com/security/bulletin/2017-12-01X Refsource CONFIRMThird Party Advisory
lists.opensuse.org/opensuse-updates/2016-06/msg00030.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
www.securityfocus.com/bid/102073VDB EntryX Refsource BIDThird Party Advisory
ubuntu.com/security/CVE-2016-3706REPORT
ubuntu.com/security/notices/USN-3239-1Advisory

Show all 13 references

ubuntu.com/security/notices/USN-3239-3Advisory
www.cve.org/CVERecord?id=CVE-2016-3706REPORT
security-tracker.debian.org/tracker/CVE-2016-3706Advisory