CVE-2025-8736
GNU cflow Lexer c.c yylex buffer overflow
Severity Score
4.8
*CVSS v4
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
A vulnerability, which was classified as critical, has been found in GNU cflow up to 1.8. Affected by this issue is the function yylex of the file c.c of the component Lexer. The manipulation leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.
Eine kritische Schwachstelle wurde in GNU cflow bis 1.8 entdeckt. Dies betrifft die Funktion yylex der Datei c.c der Komponente Lexer. Dank Manipulation mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff muss lokal passieren. Der Exploit steht zur öffentlichen Verfügung.
*Credits:
N/A
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Privileges Required
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Vulnerable | Subsequent
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Authentication
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* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2025-08-08 CVE Reserved
- 2025-08-08 CVE Published
- 2025-08-08 CVE Updated
- 2025-08-08 First Exploit
- 2026-03-04 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| https://lists.gnu.org/archive/html/bug-cflow/2025-07/msg00001.html | Related | |
| https://vuldb.com/?id.319232 | Technical Description | |
| https://vuldb.com/?submit.622329 | Third Party Advisory | |
| https://www.gnu.org | Product |
| URL | Date | SRC |
|---|---|---|
| https://drive.google.com/file/d/17lkJ5bSiQZoXLTg3bK-rGBt3kahN9Xse/view?usp=drive_link | 2025-08-08 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| GNU Search vendor "GNU" | Cflow Search vendor "GNU" for product "Cflow" | 1.0 Search vendor "GNU" for product "Cflow" and version "1.0" | en |
Affected
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| GNU Search vendor "GNU" | Cflow Search vendor "GNU" for product "Cflow" | 1.1 Search vendor "GNU" for product "Cflow" and version "1.1" | en |
Affected
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| GNU Search vendor "GNU" | Cflow Search vendor "GNU" for product "Cflow" | 1.2 Search vendor "GNU" for product "Cflow" and version "1.2" | en |
Affected
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| GNU Search vendor "GNU" | Cflow Search vendor "GNU" for product "Cflow" | 1.3 Search vendor "GNU" for product "Cflow" and version "1.3" | en |
Affected
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| GNU Search vendor "GNU" | Cflow Search vendor "GNU" for product "Cflow" | 1.4 Search vendor "GNU" for product "Cflow" and version "1.4" | en |
Affected
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| GNU Search vendor "GNU" | Cflow Search vendor "GNU" for product "Cflow" | 1.5 Search vendor "GNU" for product "Cflow" and version "1.5" | en |
Affected
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| GNU Search vendor "GNU" | Cflow Search vendor "GNU" for product "Cflow" | 1.6 Search vendor "GNU" for product "Cflow" and version "1.6" | en |
Affected
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| GNU Search vendor "GNU" | Cflow Search vendor "GNU" for product "Cflow" | 1.7 Search vendor "GNU" for product "Cflow" and version "1.7" | en |
Affected
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| GNU Search vendor "GNU" | Cflow Search vendor "GNU" for product "Cflow" | 1.8 Search vendor "GNU" for product "Cflow" and version "1.8" | en |
Affected
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