CVE-2023-24535
Panic when parsing invalid messages in google.golang.org/protobuf
Parsing invalid messages can panic. Parsing a text-format message which contains a potential number consisting of a minus sign, one or more characters of whitespace, and no further input will cause a panic.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Parsing invalid messages can panic. Parsing a text-format message which contains a potential number consisting of a minus sign, one or more characters of whitespace, and no further input will cause a panic.
- Record
CVE-2023-24535- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List
Panic when parsing invalid messages in google.golang.org/protobuf
Parsing invalid messages can panic. Parsing a text-format message which contains a potential number consisting of a minus sign, one or more characters of whitespace, and no further input will cause a panic.
- Record
CVE-2023-24535- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
EUVDEUVD-2023-1039
Parsing invalid messages can panic. Parsing a text-format message which contains a potential number consisting of a minus sign, one or more characters of whitespace, and no further input will cause a panic.
- Record
EUVD-2023-1039- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hw7c-3rfg-p46j
google.golang.org/protobuf vulnerable to panic leading to denial of service
Parsing invalid messages can panic.
Parsing a text-format message which contains a potential number consisting of a minus sign, one or more characters of whitespace, and no further input will cause a panic.
- Record
GHSA-hw7c-3rfg-p46j- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
Panic when parsing invalid messages in google.golang.org/protobuf
Parsing invalid messages can panic. Parsing a text-format message which contains a potential number consisting of a minus sign, one or more characters of whitespace, and no further input will cause a panic.
- Record
CVE-2023-24535- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-hw7c-3rfg-p46j
google.golang.org/protobuf vulnerable to panic leading to denial of service
Parsing invalid messages can panic.
Parsing a text-format message which contains a potential number consisting of a minus sign, one or more characters of whitespace, and no further input will cause a panic.
- Record
GHSA-hw7c-3rfg-p46j- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-24535
Parsing invalid messages can panic. Parsing a text-format message which contains a potential number consisting of a minus sign, one or more characters of whitespace, and no further input will cause a panic.
- Record
UBUNTU-CVE-2023-24535- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGO-2023-1631 No score
Panic when parsing invalid messages in google.golang.org/protobuf
Parsing invalid messages can panic.
Parsing a text-format message which contains a potential number consisting of a minus sign, one or more characters of whitespace, and no further input will cause a panic.
- Record
GO-2023-1631- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
google.golang.org/protobufGo |
1.29.0 up to 1.29.1 | 1.29.1 |
golang-goprotobufUbuntu:16.04:LTS |
All versions, plus listed versions 0.0~git20150526-2 |
None known |
golang-goprotobufUbuntu:18.04:LTS |
All versions, plus listed versions 0.0~git20170808.0.1909bc2-1ubuntu10.0~git20170808.0.1909bc2-1ubuntu20.0~git20170808.0.1909bc2-2 |
None known |
golang-goprotobufUbuntu:20.04:LTS |
All versions, plus listed versions 1.3.2-2 |
None known |
golang-goprotobufUbuntu:22.04:LTS |
All versions, plus listed versions 1.3.4-2 |
None known |
golang-github-golang-protobuf-1-3Ubuntu:24.04:LTS |
All versions, plus listed versions 1.3.5-4build11.3.5-4ubuntu0.24.04.11.3.5-4ubuntu0.24.04.21.3.5-4ubuntu0.24.04.3 |
None known |
golang-github-golang-protobuf-1-5Ubuntu:24.04:LTS |
All versions, plus listed versions 1.5.2-3build11.5.3-11.5.3-1ubuntu0.11.5.3-1ubuntu0.21.5.3-1ubuntu0.3 |
None known |
golang-github-golang-protobuf-1-3Ubuntu:25.10 |
All versions, plus listed versions 1.3.5-4build1 |
None known |
golang-github-golang-protobuf-1-5Ubuntu:25.10 |
All versions, plus listed versions 1.5.4-1 |
None known |
golang-github-golang-protobuf-1-5Ubuntu:26.10 |
All versions, plus listed versions 1.5.4-2 |
None known |
golang-github-golang-protobuf-1-5Ubuntu:26.04:LTS |
All versions, plus listed versions 1.5.4-11.5.4-2 |
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-2023-24535 is a high vulnerability (CVSS 7.5) in Protobuf, published March 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.09%, the 65th percentile. Fixed in google.golang.org/protobuf 1.29.1.