Vulnerability Report

CVE-2015-1781

Title: Gnu Glibc RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2015-1781.

CWE Category CWE-119

Published Date Sep 28, 2015

Modified Date May 06, 2026

Exploit Status Not Found

Score 6.8 CVSS v2.0

Exploit Probability (EPSS)

4.75%

Vulnerability Summary

CVE-2015-1781: Buffer overflow in the gethostbyname_r and other unspecified NSS functions in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response, which triggers a call with a misaligned buffer.

Impacted Vendors

gnu 1

gentoo 1

suse 1

Reference Links

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html http://www.debian.org/security/2016/dsa-3480 http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.securityfocus.com/bid/74255 http://www.securitytracker.com/id/1032178 http://www.ubuntu.com/usn/USN-2985-1 http://www.ubuntu.com/usn/USN-2985-2 https://rhn.redhat.com/errata/RHSA-2015-0863.html https://security.gentoo.org/glsa/201602-02 https://sourceware.org/bugzilla/show_bug.cgi?id=18287 https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=2959eda9272a03386 https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html http://www.debian.org/security/2016/dsa-3480 http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.securityfocus.com/bid/74255 http://www.securitytracker.com/id/1032178 http://www.ubuntu.com/usn/USN-2985-1 http://www.ubuntu.com/usn/USN-2985-2 https://rhn.redhat.com/errata/RHSA-2015-0863.html https://security.gentoo.org/glsa/201602-02 https://sourceware.org/bugzilla/show_bug.cgi?id=18287 https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=2959eda9272a03386 https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-1781 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

September 28, 2015 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.