Buffer overflow in Musl-Libc Musl
CVE-2019-14697
musl libc through 1.1.23 has an x87 floating-point stack adjustment imbalance, related to the math/i386/ directory. In some cases, use of this library could introduce out-of-bounds writes that are not present in an application's source code.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.025 · change: -0.002
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/musl/2019/08/06/1 (Exploit, Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2019/08/06/4 (mailing-list, Exploit, Patch, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202003-13 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-14697?
- CVE-2019-14697 is a critical-severity vulnerability in Musl-Libc Musl, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-08-06.
- How severe is CVE-2019-14697?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-14697 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.