DEBIAN-CVE-2019-16748

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Source
https://security-tracker.debian.org/tracker/CVE-2019-16748
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-16748.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2019-16748
Upstream
Published
2019-09-24T13:15:10Z
Modified
2025-09-25T22:40:21Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In wolfSSL through 4.1.0, there is a missing sanity check of memory accesses in parsing ASN.1 certificate data while handshaking. Specifically, there is a one-byte heap-based buffer over-read in CheckCertSignature_ex in wolfcrypt/src/asn.c.

References

Affected packages

Debian:11 / wolfssl

Package

Name
wolfssl
Purl
pkg:deb/debian/wolfssl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.2.0+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / wolfssl

Package

Name
wolfssl
Purl
pkg:deb/debian/wolfssl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.2.0+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / wolfssl

Package

Name
wolfssl
Purl
pkg:deb/debian/wolfssl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.2.0+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / wolfssl

Package

Name
wolfssl
Purl
pkg:deb/debian/wolfssl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.2.0+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}