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CVE-2023-2789

GNU cflow parser.c parse_variable_declaration denial of service

3.5 Low

A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects the function func_body/parse_variable_declaration of the file parser.c. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. The identifier VDB-229373 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

1.23%Up 1.2 points since May 19, 2023
90%50%10%1%

What each source reports

CVE List Score used 3.5

GNU cflow parser.c parse_variable_declaration denial of service

A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects the function func_body/parse_variable_declaration of the file parser.c. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. The identifier VDB-229373 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Record
CVE-2023-2789
CVSS 3.1
3.5 LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 3.0
3.5 LowCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0
2.7 AV:A/AC:L/Au:S/C:N/I:N/A:P
Weakness
CWE-404
Updated
2026-11-02
EUVDEUVD-2023-34245 3.5

A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects the function func_body/parse_variable_declaration of the file parser.c. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. The identifier VDB-229373 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Record
EUVD-2023-34245
CVSS 3.1
3.5 LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-03
GitHub AdvisoriesGHSA-h6vj-vg8j-jfqp 3.5

A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects...

A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects the function func_body/parse_variable_declaration of the file parser.c. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. The identifier VDB-229373 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Record
GHSA-h6vj-vg8j-jfqp
CVSS 3.0
3.5 LowCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-404
Updated
2026-11-02
NVD 3.5

A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects the function func_body/parse_variable_declaration of the file parser.c. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. The identifier VDB-229373 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Record
CVE-2023-2789
CVSS 3.1
3.5 LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
2.7 LowAV:A/AC:L/Au:S/C:N/I:N/A:P
Weakness
CWE-404
Updated
2026-11-02
OSV 7.5

A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects the function func_body/parse_variable_declaration of the file parser.c. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. The identifier VDB-229373 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Record
CVE-2023-2789
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2023-2789 7.5

A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects the function func_body/parse_variable_declaration of the file parser.c. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. The identifier VDB-229373 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Record
DEBIAN-CVE-2023-2789
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2023-2789 3.5

A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects the function func_body/parse_variable_declaration of the file parser.c. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. The identifier VDB-229373 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Record
UBUNTU-CVE-2023-2789
CVSS 3.1
3.5 LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
cflow
Debian:12
 All versions, plus listed versions
1:1.7-41:1.7-51:1.8-1
 None known
cflow
Debian:13
 All versions, plus listed versions
1:1.7-51:1.8-1
 None known
cflow
Debian:14
 All versions, plus listed versions
1:1.7-51:1.8-1
 None known
cflow
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1:1.4+dfsg1-3ubuntu11:1.4+dfsg1-3ubuntu1.16.04.1~esm1
 None known
cflow
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
1:1.4+dfsg1-3ubuntu11:1.4+dfsg1-3ubuntu1.18.04.1~esm1
 None known
cflow
Ubuntu:20.04:LTS
 All versions, plus listed versions
1:1.6-4
 None known
cflow
Ubuntu:22.04:LTS
 All versions, plus listed versions
1:1.6-41:1.6-61:1.7-2
 None known
cflow
Ubuntu:24.04:LTS
 All versions, plus listed versions
1:1.7-41:1.7-5
 None known
cflow
Ubuntu:25.10
 All versions, plus listed versions
1:1.7-51:1.8-1
 None known
cflow
Ubuntu:26.10
 All versions, plus listed versions
1:1.8-1build1
 None known
cflow
Ubuntu:26.04:LTS
 All versions, plus listed versions
1:1.8-11:1.8-1build1
 None known

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2023-2789 is a low vulnerability (CVSS 3.5) in Gnu Cflow, published May 18, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.23%, the 69th percentile. No source names a fixed version.

References

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