VDB-235420 · CVE-2023-39128 · EUVD-2023-42874

GNU gdb 13.0.50.20220805-git /gdb/ada-lang.c ada_decode stack-based overflow

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5.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in GNU gdb 13.0.50.20220805-git. This impacts the function ada_decode of the file /gdb/ada-lang.c. Executing a manipulation can lead to stack-based overflow. This vulnerability is registered as CVE-2023-39128. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability was found in GNU gdb 13.0.50.20220805-git (Programming Tool Software). It has been declared as critical. This vulnerability affects the function ada_decode of the file /gdb/ada-lang.c. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

GNU gdb (GDB) 13.0.50.20220805-git was discovered to contain a stack overflow via the function ada_decode at /gdb/ada-lang.c.

The weakness was published 07/26/2023. The advisory is shared for download at sourceware.org. This vulnerability was named CVE-2023-39128 since 07/25/2023. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 208971 (Amazon Linux 2023 : gdb, gdb-gdbserver, gdb-headless (ALAS2023-2024-738)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (208971) and EUVD (EUVD-2023-42874). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Programming Tool Software

Vendor

Name

Version

13.0.50.20220805-git

License

open-source

Website

Vendor: https://www.gnu.org/

CPE 2.3info

🔍

CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 208971
Nessus Name: Amazon Linux 2023 : gdb, gdb-gdbserver, gdb-headless (ALAS2023-2024-738)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/25/2023 🔍
07/26/2023 +1 days 🔍
07/26/2023 +0 days 🔍
01/23/2026 +912 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: sourceware.org
Status: Not defined

CVE: CVE-2023-39128 (🔍)
GCVE (CVE): GCVE-0-2023-39128
GCVE (VulDB): GCVE-100-235420
EUVD: 🔍

Entryinfo

Created: 07/26/2023 10:19
Updated: 01/23/2026 16:09
Changes: 07/26/2023 10:19 (40), 08/18/2023 16:21 (11), 10/15/2024 12:54 (17), 01/23/2026 16:09 (1)
Complete: 🔍
Cache ID: 216::103