x87 Floating-Point Stack Adjustment Imbalance in musl libc by Musl
CVE-2019-14697

9.8CRITICAL

Key Information:

Vendor

Musl-libc

Status
Musl
Vendor
CVE Published:
6 August 2019

What is CVE-2019-14697?

The musl libc versions through 1.1.23 exhibit an x87 floating-point stack adjustment imbalance. This flaw is notably related to the math/i386/ directory and can lead to potential out-of-bounds writes during execution. Importantly, these out-of-bounds writes may not manifest in an application's source code, posing a hidden risk to applications utilizing this C standard library. Users of the affected versions should take immediate precautions to secure their systems.

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References

https://www.openwall.com/lists/musl/2019/08/06/1
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2019/08/06/4
mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/202003-13
vendor-advisoryx_refsource_GENTOO

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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