The demangler in GNU Libiberty allows remote attackers to cause a denial of service (infinite loop, stack overflow, and crash) via a cycle in the references of remembered mangled types.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-6131 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 2.1 |
|---|---|
| Base Metrics | AV:L/AC:L/Au:N/C:N/I:N/A:P |
| Access Vector | Local |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 3.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | Low |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | gcc | Will not fix |
| Red Hat Enterprise Linux 7 | compat-gcc-44 | Will not fix |
| Red Hat Enterprise Linux 7 | compat-gcc-34 | Will not fix |
| Red Hat Enterprise Linux 7 | compat-gcc-32 | Will not fix |
| Red Hat Enterprise Linux 7 | gcc-libraries | Will not fix |
| Red Hat Enterprise Linux 7 | binutils | Will not fix |
| Red Hat Enterprise Linux 7 | gdb | Will not fix |
| Red Hat Enterprise Linux 6 | compat-sap-c++ | Will not fix |
| Red Hat Enterprise Linux 6 | gcc | Will not fix |
| Red Hat Enterprise Linux 6 | compat-gcc-296 | Will not fix |
| Red Hat Enterprise Linux 6 | compat-gcc-295 | Will not fix |
| Red Hat Enterprise Linux 6 | gcc-libraries | Will not fix |
| Red Hat Enterprise Linux 6 | libitm | Will not fix |
| Red Hat Enterprise Linux 6 | binutils | Will not fix |
| Red Hat Enterprise Linux 6 | gdb | Will not fix |
| Red Hat Enterprise Linux 6 | compat-gcc-32 | Will not fix |
| Red Hat Enterprise Linux 6 | compat-gcc-34 | Will not fix |
| Red Hat Enterprise Linux 5 | binutils | Will not fix |
| Red Hat Enterprise Linux 5 | gdb | Will not fix |
| Red Hat Enterprise Linux 5 | gcc44 | Will not fix |
| Red Hat Enterprise Linux 5 | gcc | Will not fix |
| Red Hat Enterprise Linux 5 | gcc-libraries | Will not fix |
| Red Hat Enterprise Linux 5 | compat-gcc-34 | Will not fix |
| Red Hat Enterprise Linux 5 | compat-gcc-32 | Will not fix |
| Red Hat Enterprise Linux 5 | compat-gcc-296 | Will not fix |
| Red Hat Enterprise Linux 5 | compat-gcc-295 | Will not fix |
Vulmon