CVE-2016-6323
The makecontext function in the GNU C Library (aka glibc or libc6) before 2.25 creates execution contexts incompatible with the unwinder on ARM EABI (32-bit) platforms, which might allow
02 Description
The makecontext function in the GNU C Library (aka glibc or libc6) before 2.25 creates execution contexts incompatible with the unwinder on ARM EABI (32-bit) platforms, which might allow
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.87% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 89.9% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-10-07 14:00Z10 YR AGO
- Last updated
- 2024-08-06 01:29Z2 YR AGO
- Reserved
- 2016-07-26
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-284Improper Access ControlPillar
- Data version
- 5.1
- Document digest
- 8ffca1bab05bf31e3e4695a80650eade94d93ca665b3741420238e335dfa283e
05 Affected products
06 References
- lists.fedoraproject.orgFEDORA-2016-87dde780b8https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WO7IMEYWZ2WTXGGMZBWWSDCUMFN63XOB/
- www.securityfocus.com92532http://www.securityfocus.com/bid/92532
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21995039
- lists.fedoraproject.orgFEDORA-2016-5f050a0a6dhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KTXSOVCRDGBIB4WCIDAGYYUBESXZ4IGK/
- sourceware.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=20435
- sourceware.orghttps://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=9e2ff6c9cc54c0b4402b8d49e4abe7000fde7617
- security.gentoo.orgGLSA-201706-19https://security.gentoo.org/glsa/201706-19
- lists.fedoraproject.orgFEDORA-2016-57cba655d5https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LVWSAZVBTLALXF4SCBPDV3FY6J22DXLZ/
- www.openwall.com[oss-security] 20160818 CVE-2016-6323: Missing unwind information on ARM EABI (32-bit) causes backtrace generation to hanghttp://www.openwall.com/lists/oss-security/2016/08/18/12
- lists.opensuse.orgopenSUSE-SU-2016:2443http://lists.opensuse.org/opensuse-updates/2016-10/msg00009.html
07 Fixed in
Debian 12
- glibc Fixed in 2.24-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- glibc Fixed in 2.24-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- glibc Fixed in 2.24-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- eglibc Fixed in 2.19-0ubuntu6.10
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- glibc Fixed in 2.23-0ubuntu6
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.