CVE-2018-6485
An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.69% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190, CWE-787
- Affected
- gnu/glibc · redhat/virtualization host · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation · oracle/communications session border controller · oracle/enterprise communications broker · netapp/cloud backup · netapp/data ontap edge · netapp/element software · netapp/element software management · netapp/steelstore cloud integrated storage · netapp/storage replication adapter · netapp/vasa provider · netapp/virtual storage console
- Source
- cve@mitre.org
References
- http://bugs.debian.org/878159Issue Tracking, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/102912Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3092Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190404-0003/Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=22343Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/4218-1/
- https://usn.ubuntu.com/4416-1/
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatch, Third Party Advisory
- http://bugs.debian.org/878159Issue Tracking, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/102912Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3092Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190404-0003/Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=22343Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/4218-1/
- https://usn.ubuntu.com/4416-1/
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.