CVE-2021-41500
published 2021-12-17CVE-2021-41500: Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in APIs (cvxopt.cholmod.diag, cvxopt.cholmod.getfactor, cvxopt.cholmod.solve…
PriorityP433high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.18%
64.7th percentile
Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in APIs (cvxopt.cholmod.diag, cvxopt.cholmod.getfactor, cvxopt.cholmod.solve, cvxopt.cholmod.spsolve), which allows attackers to conduct Denial of Service attacks by construct fake Capsule objects.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cvxopt_project | cvxopt | <= 1.2.6 | — |
| cvxopt_project | cvxopt | >= 0 < 1.2.7+dfsg-1 | 1.2.7+dfsg-1 |
| cvxopt_project | cvxopt | >= 0 < 1.2.7+dfsg-1 | 1.2.7+dfsg-1 |
| cvxopt_project | cvxopt | >= 0 < 1.2.7+dfsg-1 | 1.2.7+dfsg-1 |
| cvxopt_project | cvxopt | >= 0 < 1.2.7 | 1.2.7 |
| debian | cvxopt | < cvxopt 1.2.7+dfsg-1 (bookworm) | cvxopt 1.2.7+dfsg-1 (bookworm) |
| fedoraproject | fedora | — | — |
| msrc | azl3_python-pip_24.2-2_on_azure_linux_3.0 | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5HIGH
vendor_msrc7.5HIGH
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OSV
Incorrect Comparison in cvxopt
osv·2022-01-07
CVE-2021-41500 [HIGH] Incorrect Comparison in cvxopt
Incorrect Comparison in cvxopt
Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in APIs (cvxopt.cholmod.diag, cvxopt.cholmod.getfactor, cvxopt.cholmod.solve, cvxopt.cholmod.spsolve), which allows attackers to conduct Denial of Service attacks by construct fake Capsule objects.
GHSA
Incorrect Comparison in cvxopt
ghsa·2022-01-07
CVE-2021-41500 [HIGH] CWE-697 Incorrect Comparison in cvxopt
Incorrect Comparison in cvxopt
Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in APIs (cvxopt.cholmod.diag, cvxopt.cholmod.getfactor, cvxopt.cholmod.solve, cvxopt.cholmod.spsolve), which allows attackers to conduct Denial of Service attacks by construct fake Capsule objects.
OSV
CVE-2021-41500: Incomplete string comparison vulnerability exits in cvxopt
osv·2021-12-17·CVSS 7.5
CVE-2021-41500 [HIGH] CVE-2021-41500: Incomplete string comparison vulnerability exits in cvxopt
Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in APIs (cvxopt.cholmod.diag, cvxopt.cholmod.getfactor, cvxopt.cholmod.solve, cvxopt.cholmod.spsolve), which allows attackers to conduct Denial of Service attacks by construct fake Capsule objects.
Microsoft
Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in APIs (cvxopt.cholmod.diag, cvxopt.cholmod.getfactor, cvxopt.cholmod.solve, cvxopt.cholmod.spsolve), which allows attack
vendor_msrc·2021-12-14·CVSS 7.5
CVE-2021-41500 [HIGH] CWE-697 Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in APIs (cvxopt.cholmod.diag, cvxopt.cholmod.getfactor, cvxopt.cholmod.solve, cvxopt.cholmod.spsolve), which allows attack
Incomplete string comparison vulnerability exits in cvxopt.org cvxop Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.
Mariner: Mariner
mitre: mitre
Customer Action Required: Yes
Debian
CVE-2021-41500: cvxopt - Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in...
vendor_debian·2021·CVSS 7.5
CVE-2021-41500 [HIGH] CVE-2021-41500: cvxopt - Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in...
Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in APIs (cvxopt.cholmod.diag, cvxopt.cholmod.getfactor, cvxopt.cholmod.solve, cvxopt.cholmod.spsolve), which allows attackers to conduct Denial of Service attacks by construct fake Capsule objects.
Scope: local
bookworm: resolved (fixed in 1.2.7+dfsg-1)
bullseye: open
forky: resolved (fixed in 1.2.7+dfsg-1)
sid: resolved (fixed in 1.2.7+dfsg-1)
trixie: resolved (fixed in 1.2.7+dfsg-1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://github.com/cvxopt/cvxopt/issues/193https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CXTPM3DGVYTYQ54OFCMXZVWVOMR7JM2D/https://github.com/cvxopt/cvxopt/issues/193https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CXTPM3DGVYTYQ54OFCMXZVWVOMR7JM2D/
2021-12-17
Published