CVE-2017-8804

Name: CVE-2017-8804
Creator: NVD / NIST
Published: 2017-05-07T18:29:00.157+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 7.67%

Last modified Jun 17, 2026

CVE-2017-8804 is a vulnerability of currently unknown severity. The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deserialization, which allows remote attackers to cause a denial of service (virtual memory allocation, or memory consumption if an overcommit setting is not used) via a crafted UDP packet to port 111, a related issue to CVE-2017-8779. NOTE: [Information provided from upstream and references. EPSS estimates a 7.67% chance of exploitation in the next 30 days.

Description

The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deserialization, which allows remote attackers to cause a denial of service (virtual memory allocation, or memory consumption if an overcommit setting is not used) via a crafted UDP packet to port 111, a related issue to CVE-2017-8779. NOTE: [Information provided from upstream and references

Metrics

EPSS Probability

7.67%

93.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Gnu	Glibc	2.25

References

http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00049.html
http://www.openwall.com/lists/oss-security/2017/05/05/2Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/98339Broken Link
https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7Issue Tracking, Patch
https://seclists.org/oss-sec/2017/q2/228
https://sourceware.org/bugzilla/show_bug.cgi?id=21461Issue Tracking, Patch
https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00128.html
https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00129.html
https://sourceware.org/ml/libc-alpha/2017-05/msg00105.htmlIssue Tracking, Patch
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00049.html
http://www.openwall.com/lists/oss-security/2017/05/05/2Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/98339Broken Link
https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7Issue Tracking, Patch
https://seclists.org/oss-sec/2017/q2/228
https://sourceware.org/bugzilla/show_bug.cgi?id=21461Issue Tracking, Patch
https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00128.html
https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00129.html
https://sourceware.org/ml/libc-alpha/2017-05/msg00105.htmlIssue Tracking, Patch

Timeline

Published: May 7, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-8804?

How severe is CVE-2017-8804?

Severity scoring for CVE-2017-8804 is pending analysis. The EPSS model estimates a 7.67% probability of exploitation in the next 30 days.

How do I fix CVE-2017-8804?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-8804?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST