CVE-2016-5417 — Missing Release of Memory after Effective Lifetime in Glibc

CWE-3998 documents8 sources

Severity

7.5HIGHNVD

EPSS

1.2%

top 21.19%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

GNU Glibc

Timeline

PublishedFeb 17

Latest updateMay 17

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 vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶Debiangnu/glibc< 2.22-4+3

▶NVDgnu/glibc2.23

Patches

Patch: sourceware.org ↗Patch: sourceware.org ↗

🔴Vulnerability Details

GHSA

GHSA-qqpx-rhfx-8mgf: 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↗2022-05-17

▶

OSV

CVE-2016-5417: 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↗2017-02-17

▶

CVEList

CVE-2016-5417: 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↗2017-02-16

▶

📋Vendor Advisories

Ubuntu

GNU C Library vulnerabilities↗2017-03-21

▶

Red Hat

glibc: per-thread memory leak in __res_vinit with IPv6 nameservers↗2016-08-02

▶

Debian

CVE-2016-5417: glibc - Memory leak in the __res_vinit function in the IPv6 name server management code ...↗2016

▶

💬Community

Bugzilla

CVE-2016-5417 glibc: per-thread memory leak in __res_vinit with IPv6 nameservers↗2016-08-02

▶