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CVE-2020-10029
The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long…
Medium5.5EPSS 0.76%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical bit pattern, a seen when passing a 0x5d414141414141410000 value to sinl on x86 targets. This is related to sysdeps/ieee754/ldbl-96/e_rem_pio2l.c.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.76% · top 44% of all CVEs (7 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (12)
- https://sourceware.org/bugzilla/show_bug.cgi?id=25487 (opens in a new tab)x_transferred
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=9333498794cde1d5cca518badf79533a24114b6f (opens in a new tab)x_transferred
- openSUSE-SU-2020:0381 (opens in a new tab)vendor-advisoryx_transferred
- https://security.netapp.com/advisory/ntap-20200327-0003/ (opens in a new tab)x_transferred
- FEDORA-2020-444c372453 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-244efc27af (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-7f625c5ea8 (opens in a new tab)vendor-advisoryx_transferred
- GLSA-202006-04 (opens in a new tab)vendor-advisoryx_transferred
- USN-4416-1 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20221017 [SECURITY] [DLA 3152-1] glibc security update (opens in a new tab)mailing-listx_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2020-10029)Record last updated .