CVE-2021-42006
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to...
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted GFF file.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted GFF file.
- Record
CVE-2021-42006- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted GFF file.
- Record
CVE-2021-42006- Updated
- 2026-11-02
EUVDEUVD-2021-28996 No score
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted GFF file.
- Record
EUVD-2021-28996- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-936f-wf9f-83xm No score
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to...
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted GFF file.
- Record
GHSA-936f-wf9f-83xm- Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted GFF file.
- Record
CVE-2021-42006- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-42006
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted GFF file.
- Record
DEBIAN-CVE-2021-42006- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-42006
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted GFF file.
- Record
UBUNTU-CVE-2021-42006- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libgclibDebian:12 |
before 0.12.7+ds-2 | 0.12.7+ds-2 |
libgclibDebian:13 |
before 0.12.7+ds-2 | 0.12.7+ds-2 |
libgclibDebian:14 |
before 0.12.7+ds-2 | 0.12.7+ds-2 |
libgffUbuntu:16.04:LTS |
All versions, plus listed versions 1.0-1 |
None known |
tophatUbuntu:16.04:LTS |
All versions, plus listed versions 2.1.0+dfsg-1build1 |
None known |
cufflinksUbuntu:18.04:LTS |
All versions, plus listed versions 2.2.1-3build12.2.1+dfsg.1-1ubuntu12.2.1+dfsg.1-2 |
None known |
libgffUbuntu:18.04:LTS |
All versions, plus listed versions 1.0-1build1 |
None known |
tophatUbuntu:18.04:LTS |
All versions, plus listed versions 2.1.1+dfsg-32.1.1+dfsg-3build12.1.1+dfsg1-1 |
None known |
cufflinksUbuntu:20.04:LTS |
All versions, plus listed versions 2.2.1+dfsg.1-42.2.1+dfsg.1-4ubuntu12.2.1+dfsg.1-4ubuntu22.2.1+dfsg.1-52.2.1+dfsg.1-7 |
None known |
libgclibUbuntu:20.04:LTS |
All versions, plus listed versions 0.11.2-10.11.2-30.11.3-10.11.4-1 |
None known |
Show 21 moreShow less
| Package | Affected | Fixed |
|---|---|---|
libgffUbuntu:20.04:LTS |
All versions, plus listed versions 1.0-2 |
None known |
stringtieUbuntu:20.04:LTS |
All versions, plus listed versions 1.3.6+dfsg-12.0.4+ds-22.0.4+ds-32.0.5+ds-12.1.1+ds-2 |
None known |
cufflinksUbuntu:22.04:LTS |
All versions, plus listed versions 2.2.1+dfsg.1-8build12.2.1+dfsg.1-9 |
None known |
libgclibUbuntu:22.04:LTS |
All versions, plus listed versions 0.11.10+ds-20.12.7+ds-4 |
None known |
libgffUbuntu:22.04:LTS |
All versions, plus listed versions 2.0.0-12.0.0-22.0.0-3 |
None known |
stringtieUbuntu:22.04:LTS |
All versions, plus listed versions 2.1.4+ds-42.1.6+ds-12.2.1+ds-2 |
None known |
cufflinksUbuntu:24.04:LTS |
All versions, plus listed versions 2.2.1+dfsg.1-92.2.1+dfsg.1-9build1 |
None known |
libgclibUbuntu:24.04:LTS |
All versions, plus listed versions 0.12.7+ds-50.12.7+ds-5ubuntu20.12.7+ds-5ubuntu3 |
None known |
libgffUbuntu:24.04:LTS |
All versions, plus listed versions 2.0.0-3 |
None known |
stringtieUbuntu:24.04:LTS |
All versions, plus listed versions 2.2.1+ds-22.2.1+ds-32.2.1+ds-3build12.2.1+ds-3build2 |
None known |
cufflinksUbuntu:25.10 |
All versions, plus listed versions 2.2.1+dfsg.1-10 |
None known |
libgclibUbuntu:25.10 |
All versions, plus listed versions 0.12.7+ds-5ubuntu3 |
None known |
libgffUbuntu:25.10 |
All versions, plus listed versions 2.0.0-3 |
None known |
stringtieUbuntu:25.10 |
All versions, plus listed versions 2.2.1+ds-3build2 |
None known |
libgclibUbuntu:26.10 |
All versions, plus listed versions 0.12.7+ds-5ubuntu3 |
None known |
libgffUbuntu:26.10 |
All versions, plus listed versions 2.0.0-3build1 |
None known |
stringtieUbuntu:26.10 |
All versions, plus listed versions 3.0.3+ds-1 |
None known |
cufflinksUbuntu:26.04:LTS |
All versions, plus listed versions 2.2.1+dfsg.1-10 |
None known |
libgclibUbuntu:26.04:LTS |
All versions, plus listed versions 0.12.7+ds-5ubuntu3 |
None known |
libgffUbuntu:26.04:LTS |
All versions, plus listed versions 2.0.0-32.0.0-3build1 |
None known |
stringtieUbuntu:26.04:LTS |
All versions, plus listed versions 2.2.1+ds-3build23.0.3+ds-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42006 is a high vulnerability (CVSS 8.8) in Gclib Project Gclib, published October 4, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.07%, the 65th percentile. Fixed in libgclib 0.12.7+ds-2.