CVE-2016-10011
6.2 MEDIUMauthfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents, which might allow local us...
Published: 2017-01-05 · Last updated: 2026-05-29
Severity and scoring
- CVSS
- 6.2 MEDIUM
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CWE
- CWE-119, CWE-320
Affected products
| Vendor | Product |
|---|---|
| openbsd | openssh |
Description
authfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents, which might allow local users to obtain sensitive private-key information by leveraging access to a privilege-separated child process.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2016-10011
- [Other]http://www.openwall.com/lists/oss-security/2016/12/19/2
- [Other]http://www.securityfocus.com/bid/94977
- [Other]http://www.securitytracker.com/id/1037490
- [Other]http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637
- [Other]https://access.redhat.com/errata/RHSA-2017:2029
- [Other]https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- [Other]https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
- [Patch]https://github.com/openbsd/src/commit/ac8147a06ed2e2403fb6b9a0c03e618a9333c0e9
- [Other]https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
- [Other]https://security.netapp.com/advisory/ntap-20171130-0002/
- [Other]https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03818en_us
- [Other]https://www.openssh.com/txt/release-7.4
- [Other]http://www.openwall.com/lists/oss-security/2016/12/19/2
- [Other]http://www.securityfocus.com/bid/94977
- [Other]http://www.securitytracker.com/id/1037490
- [Other]http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637
- [Other]https://access.redhat.com/errata/RHSA-2017:2029
- [Other]https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- [Other]https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
- [Patch]https://github.com/openbsd/src/commit/ac8147a06ed2e2403fb6b9a0c03e618a9333c0e9
- [Other]https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
- [Other]https://security.netapp.com/advisory/ntap-20171130-0002/
- [Other]https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03818en_us
- [Other]https://www.openssh.com/txt/release-7.4
Related CVEs
Same vendor
- CVE-2026-3497 — Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions (7.5 HIGH)
- CVE-2023-51767 — OpenSSH through 10.0, when common types of DRAM are used, might allow row hammer attacks (for authentication bypass) because the integer ... (7.0 HIGH)
- CVE-2023-51384 — In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied (5.5 MEDIUM)
- CVE-2023-28531 — ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints (9.8 CRITICAL)
- CVE-2023-25136 — OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during options.kex_algorithms handling (6.5 MEDIUM)
Same CWE
- CVE-2026-12330 — Incorrect boundary conditions in the Internationalization component (5.4 MEDIUM)
- CVE-2026-12329 — Memory safety bug fixed in Thunderbird ESR 140.12 (5.3 MEDIUM)
- CVE-2026-12327 — Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151 (7.3 HIGH)
- CVE-2026-12326 — Memory safety bugs present in Firefox 151 and Thunderbird 151 (7.3 HIGH)
- CVE-2026-12318 — Incorrect boundary conditions in the Libraries component in NSS (7.3 HIGH)