DEBIAN-CVE-2026-42477

Source
https://security-tracker.debian.org/tracker/CVE-2026-42477
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42477.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-42477
Upstream
Published
2026-05-01T15:16:43Z
Modified
2026-09-14T17:03:12Z
Severity
  • 7.1 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

A heap-based out-of-bounds read vulnerability in RWObj_Reader::read in the OBJ file parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows user-assisted attackers to cause a denial of service or obtain sensitive information by persuading a victim to open a crafted OBJ file. The issue occurs because Standard_ReadLineBuffer::ReadLine() can return a 1-byte buffer for a minimal OBJ line, and RWObj_Reader::read() calls pushIndices(aLine + 2) without validating the buffer length.

References

Affected packages

Debian:12 / opencascade

Package

Name
opencascade
Purl
pkg:deb/debian/opencascade?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

7.*
7.6.3+dfsg1-7
7.6.3+dfsg1-7.1
7.7.1+dfsg1-1~exp1
7.7.1+dfsg1-1~exp2
7.8.1+dfsg1-1~exp1
7.8.1+dfsg1-1
7.8.1+dfsg1-2
7.8.1+dfsg1-3
7.8.1+dfsg1-4~exp1
7.8.1+dfsg1-5
7.8.1+dfsg1-6
7.8.1+dfsg1-7
7.9.1+dfsg-1~exp1
7.9.1+dfsg-1~exp2
7.9.2+dfsg-1
7.9.2+dfsg-2
7.9.2+dfsg-3
7.9.2+dfsg-4
7.9.2+dfsg-5

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42477.json"

Debian:13 / opencascade

Package

Name
opencascade
Purl
pkg:deb/debian/opencascade?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

7.*
7.8.1+dfsg1-3
7.8.1+dfsg1-4~exp1
7.8.1+dfsg1-5
7.8.1+dfsg1-6
7.8.1+dfsg1-7
7.9.1+dfsg-1~exp1
7.9.1+dfsg-1~exp2
7.9.2+dfsg-1
7.9.2+dfsg-2
7.9.2+dfsg-3
7.9.2+dfsg-4
7.9.2+dfsg-5

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42477.json"

Debian:14 / opencascade

Package

Name
opencascade
Purl
pkg:deb/debian/opencascade?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

7.*
7.8.1+dfsg1-3
7.8.1+dfsg1-4~exp1
7.8.1+dfsg1-5
7.8.1+dfsg1-6
7.8.1+dfsg1-7
7.9.1+dfsg-1~exp1
7.9.1+dfsg-1~exp2
7.9.2+dfsg-1
7.9.2+dfsg-2
7.9.2+dfsg-3
7.9.2+dfsg-4
7.9.2+dfsg-5

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42477.json"