CVE-2024-42460

Elliptic's ECDSA missing check for whether leading bit of r and s is zero

5.3 MediumFix available

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.46%Up 0.4 points since Aug 6, 2024

What each source reports

CVE List Score used 5.3

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

Record: CVE-2024-42460
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-130
Updated: 2026-11-02

EUVDEUVD-2024-2543 5.3

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

Record: EUVD-2024-2543
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-977x-g7h5-7qgw 2.7

Elliptic's ECDSA missing check for whether leading bit of r and s is zero

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

Record: GHSA-977x-g7h5-7qgw
CVSS 4.0: 2.7 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-130
Updated: 2026-11-02

NVD 5.3

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

Record: CVE-2024-42460
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-130
Updated: 2026-11-02

OSV 5.3

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

Record: CVE-2024-42460
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2024-42460 5.3

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

Record: DEBIAN-CVE-2024-42460
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

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OSVGHSA-977x-g7h5-7qgw 2.7

Elliptic's ECDSA missing check for whether leading bit of r and s is zero

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

Record: GHSA-977x-g7h5-7qgw
CVSS 4.0: 2.7 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-130
Updated: 2026-11-02

OSVUBUNTU-CVE-2024-42460 5.3

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

Record: UBUNTU-CVE-2024-42460
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVAZL-47430 No score

CVE-2024-42460 affecting package reaper for versions less than 3.1.1-11

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

Record: AZL-47430
Updated: 2026-11-02

OSVCLSA-2026-1781139210 No score

TuxCare security update for elliptic (9 CVEs)

TuxCare rebuilt elliptic to address 9 CVEs. Fixed in 6.4.1-tuxcare.1.

Record: CLSA-2026-1781139210
Updated: 2026-11-02

OSVCLSA-2026-1781139211 No score

TuxCare security update for elliptic (7 CVEs)

TuxCare rebuilt elliptic to address 7 CVEs. Fixed in 6.5.4-tuxcare.1.

Record: CLSA-2026-1781139211
Updated: 2026-11-02

OSVCLSA-2026-1781139212 No score

TuxCare security update for elliptic (7 CVEs)

TuxCare rebuilt elliptic to address 7 CVEs. Fixed in 6.5.5-tuxcare.1.

Record: CLSA-2026-1781139212
Updated: 2026-11-02

OSVCLSA-2026-1793101918 No score

TuxCare security update for elliptic (6 CVEs)

TuxCare rebuilt elliptic to address 6 CVEs. Fixed in 6.5.1-tuxcare.2.

Record: CLSA-2026-1793101918
Updated: 2026-11-02

OSVCLSA-2026-1793102023 No score

TuxCare security update for elliptic (5 CVEs)

TuxCare rebuilt elliptic to address 5 CVEs. Fixed in 6.5.3-tuxcare.2.

Record: CLSA-2026-1793102023
Updated: 2026-11-02

OSVopenSUSE-SU-2025:14663-1 No score

velociraptor-0.7.0.4.git142.862ef23-1.1 on GA media

These are all security issues fixed in the velociraptor-0.7.0.4.git142.862ef23-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2025:14663-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`elliptic` npm	2.0.0 to 6.5.6	6.5.7
`reaper` Azure Linux:2	before 3.1.1-11	3.1.1-11
`elliptic` TuxCare:npm From an advisory covering 8 CVEs	6.4.1-tuxcare.0 up to 6.4.1-tuxcare.1, plus listed versions 6.4.1	6.4.1-tuxcare.1
`elliptic` TuxCare:npm From an advisory covering 6 CVEs	6.5.4-tuxcare.0 up to 6.5.4-tuxcare.1, plus listed versions 6.5.4	6.5.4-tuxcare.1
`elliptic` TuxCare:npm From an advisory covering 6 CVEs	6.5.5-tuxcare.0 up to 6.5.5-tuxcare.1, plus listed versions 6.5.5	6.5.5-tuxcare.1
`elliptic` TuxCare:npm From an advisory covering 6 CVEs	6.5.1-tuxcare.0 up to 6.5.1-tuxcare.2, plus listed versions 6.5.16.5.1-tuxcare.1	6.5.1-tuxcare.2
`elliptic` TuxCare:npm From an advisory covering 5 CVEs	6.5.3-tuxcare.0 up to 6.5.3-tuxcare.2, plus listed versions 6.5.36.5.3-tuxcare.1	6.5.3-tuxcare.2
`node-elliptic` Debian:12	All versions, plus listed versions 6.5.4~dfsg-26.5.7+dfsg-16.6.1+dfsg+~6.4.18-16.6.1+dfsg+~6.4.18-26.6.1+dfsg-1	None known
`node-elliptic` Debian:13	before 6.5.7+dfsg-1	6.5.7+dfsg-1
`node-elliptic` Debian:14	before 6.5.7+dfsg-1	6.5.7+dfsg-1

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Affected packages
Package	Affected	Fixed
`elliptic` npm	2.0.0 up to 6.5.7	6.5.7
`node-elliptic` Ubuntu:18.04:LTS	All versions, plus listed versions 6.4.0+dfsg-1	None known
`node-elliptic` Ubuntu:20.04:LTS	All versions, plus listed versions 6.5.1~dfsg-16.5.1~dfsg-2	None known
`node-elliptic` Ubuntu:22.04:LTS	All versions, plus listed versions 6.5.4~dfsg-1	None known
`node-elliptic` Ubuntu:24.04:LTS	All versions, plus listed versions 6.5.4~dfsg-2	None known
`node-elliptic` Ubuntu:25.10	All versions, plus listed versions 6.6.1+dfsg-1	None known
`node-elliptic` Ubuntu:26.10	All versions, plus listed versions 6.6.1+dfsg+~6.4.18-16.6.1+dfsg+~6.4.18-2	None known
`node-elliptic` Ubuntu:26.04:LTS	All versions, plus listed versions 6.6.1+dfsg-16.6.1+dfsg+~6.4.18-1	None known
`velociraptor` openSUSE:Tumbleweed From an advisory covering 27 CVEs	before 0.7.0.4.git142.862ef23-1.1	0.7.0.4.git142.862ef23-1.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected
Nov 4, 2026	affected, aliases, cwes, facts, references
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-42460 is a medium vulnerability (CVSS 5.3) in Elliptic Project Elliptic, published August 2, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 39th percentile. Fixed in elliptic 6.5.7.

References

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