CVE
CVE-2026-4598
jsrsasign is vulnerable to DoS through Infinite Loop when processing zero or negative inputs
Versions of the package jsrsasign before 11.1.1 are vulnerable to Infinite loop via the bnModInverse function in ext/jsbn2.js when the BigInteger.modInverse implementation receives zero or negative inputs, allowing an attacker to hang the process permanently by supplying such crafted values (e.g., modInverse(0, m) or modInverse(-1, m)).
Package Versions Affected
Package Version
patch Availability
No items found.
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CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.7
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Resources
No items found.
References
https://nvd.nist.gov/vuln/detail/CVE-2026-4598, https://github.com/kjur/jsrsasign/pull/648, https://github.com/kjur/jsrsasign/commit/ca5b027240287a1e71fe63019fc4400332594323, https://gist.github.com/Kr0emer/a1bf5cd4547cc630d2dcc5e761de8264, https://github.com/kjur/jsrsasign, https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370938
Basic Information
Ecosystem
