Fedora 42 update for vim
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2025-26603 CVE-2025-27423 |
| CWE-ID | CWE-416 CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Fedora Operating systems & Components / Operating system vim Operating systems & Components / Operating system package or component |
| Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU103998
Risk: High
CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2025-26603
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the str_to_reg() function in src/register.c. A remote attacker can trick the victim into opening a specially crafted file and execute arbitrary code on the system.
Install updates from vendor's repository.
Vulnerable software versionsFedora: 42
vim: before 9.1.1169-1.fc42
CPE2.3 External linkshttps://bodhi.fedoraproject.org/updates/FEDORA-2025-4f7ee73f35
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Input validation error
EUVDB-ID: #VU105169
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2025-27423
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input within the tar.vim plugin. A remote attacker can trick the victim to open a specially crafted tar file and execute arbitrary code on the system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 42
vim: before 9.1.1169-1.fc42
CPE2.3 External linkshttps://bodhi.fedoraproject.org/updates/FEDORA-2025-4f7ee73f35
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
