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CVE-2023-39128

17
FAUCET Score

CVE-2023-39128 describes a stack overflow vulnerability in GNU GDB version 13.0.50.20220805-git, specifically within the ada_decode function. This medium-severity vulnerability (CVSS 5.5) can lead to a denial of service (availability impact) if a user is tricked into opening a specially crafted file, requiring user interaction for exploitation. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
13.0.50.20220805-gitCPE matchmatch criteria
cpe:2.3:a:gnu:gdb:13.0.50.20220805-git:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 29th percentile among its peer group of 5,760 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (20)

microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 11.2-3
microsoftpatch availablevia msrc
Product: 18344-17084Fixed in: 8.0.4-3
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 13.2-3
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 13.2-3
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 11.2-3
microsoftpatch availablevia msrc
Product: azl3 crash 8.0.4-4 on Azure Linux 3.0Fixed in: 8.0.4-2
microsoftpatch availablevia msrc
Product: azl3 gdb 13.2-4 on Azure Linux 3.0Fixed in: 13.2-3
microsoftpatch availablevia msrc
Product: azl3 gdb 13.2-3 on Azure Linux 3.0Fixed in: 13.2-3
microsoftpatch availablevia msrc
Product: cbl2 gdb 11.2-3 on CBL Mariner 2.0Fixed in: 11.2-3
microsoftpatch availablevia msrc
Product: cbl2 crash 8.0.1-3 on CBL Mariner 2.0Fixed in: 8.0.1-3
microsoftpatch availablevia msrc
Product: azl3 crash 8.0.4-3 on Azure Linux 3.0Fixed in: 8.0.4-3
microsoftpatch availablevia msrc
Product: 18844-17084Fixed in: 8.0.4-2
microsoftpatch availablevia msrc
Product: 19818-17084Fixed in: 13.2-3
microsoftpatch availablevia msrc
Product: 18343-17084Fixed in: 13.2-3
microsoftpatch availablevia msrc
Product: 18341-16823Fixed in: 11.2-3
microsoftpatch availablevia msrc
Product: 18342-16823Fixed in: 8.0.1-3
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gcc-toolset-13-gdb
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: crash
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: crash
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: gcc-toolset-12-gdb

Vendor Advisories (3)

microsoft2024-Nov/CVE-2023-39128

CVE-2023-39128

Nov 12, 2024
redhatCVE-2023-39128

gdb: dynamic-stack-buffer-overflow in ada_decode[abi:cxx11](char const*, bool, bool)

Jul 25, 2023
microsoft2023-Jul/CVE-2023-39128Moderate

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.

Jul 11, 2023

References

sourceware.org / bugzilla/show_bug.cgi
ExploitIssue TrackingThird Party Advisory