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GHSA-j4mr-9xw3-c9jx

Out-of-bounds Read in base64-url

No scoreFix available

GHSA-j4mr-9xw3-c9jx is a vulnerability with no CVSS score yet in base64-url, published May 31, 2019. No source lists public exploit code. Fixed in base64-url 2.0.0.

What does this mean?
Severity
UnratedNo CVSS score yet
Exploit chance
UnscoredNo EPSS score yet
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
2.0.0base64-url +1 more

Description

Versions of base64-url before 2.0.0 are vulnerable to out-of-bounds read as it allocates uninitialized Buffers when number is passed in input.

Recommendation

Update to version 2.0.0 or later.

Affected packages

Affected packages
PackageAffectedFixed
base64-url
npm
before 2.0.0
2.0.0
base64-url
TuxCare:npm
1.2.1-tuxcare.0 up to 1.2.1-tuxcare.1, plus listed versions
1.2.1
1.2.1-tuxcare.1

What each source reports

GitHub AdvisoriesNo score

Out-of-bounds Read in base64-url

Versions of base64-url before 2.0.0 are vulnerable to out-of-bounds read as it allocates uninitialized Buffers when number is passed in input.

Recommendation

Update to version 2.0.0 or later.

Record
GHSA-j4mr-9xw3-c9jx
Weakness
CWE-125
Updated
2026-11-02
OSVCLSA-2026-1773533798No score

TuxCare security update for base64-url (1 CVE)

TuxCare rebuilt base64-url to address 1 CVE. Fixed in 1.2.1-tuxcare.1.

Record
CLSA-2026-1773533798
Updated
2026-11-02
OSVNo score

Out-of-bounds Read in base64-url

Versions of base64-url before 2.0.0 are vulnerable to out-of-bounds read as it allocates uninitialized Buffers when number is passed in input.

Recommendation

Update to version 2.0.0 or later.

Record
GHSA-j4mr-9xw3-c9jx
Weakness
CWE-125
Updated
2026-11-02
OSVROOT-APP-NPM-GHSA-j4mr-9xw3-c9jxNo score

GHSA-j4mr-9xw3-c9jx in base64-url - Patched by Root

Root has patched GHSA-j4mr-9xw3-c9jx in the base64-url package for Root:npm. Multiple fixed versions available.

Record
ROOT-APP-NPM-GHSA-j4mr-9xw3-c9jx
Updated
2026-11-02

History

History
RecordedChangedSources
affected
first indexedGitHub Advisories, OSV

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

References

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