GNU libopts __strstr_sse2 memory corruption

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-8746
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-08-09 06:15:35 UTC
Updated2026-04-29 01:00:01 UTC
DescriptionA vulnerability, which was classified as problematic, was found in GNU libopts up to 27.6. Affected is the function __strstr_sse2. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. This issue was initially reported to the tcpreplay project, but the code maintainer explains, that this "bug appears to be in libopts which is an external library." This vulnerability only affects products that are no longer supported by the maintainer.

Risk And Classification

Primary CVSS: v4.0 1.9 LOW from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-119 | CWE-787 | CWE-119 Memory Corruption

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.9LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED4.8MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1[email protected]Secondary3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
3.0CNADECLARED3.3LOWCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
2.0[email protected]Secondary1.7AV:L/AC:L/Au:S/C:N/I:N/A:P
2.0CNADECLARED1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gnu Libopts All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA GNU Libopts affected 27.0 Not specified
CNA GNU Libopts affected 27.1 Not specified
CNA GNU Libopts affected 27.2 Not specified
CNA GNU Libopts affected 27.3 Not specified
CNA GNU Libopts affected 27.4 Not specified
CNA GNU Libopts affected 27.5 Not specified
CNA GNU Libopts affected 27.6 Not specified

References

ReferenceSourceLinkTags
github.com/appneta/tcpreplay/issues/957 [email protected] github.com Exploit, Issue Tracking, Vendor Advisory
drive.google.com/file/d/1yjKOHxvL_9xExy4QUb5x43dxci1x59ts/view [email protected] drive.google.com Exploit
vuldb.com [email protected] vuldb.com Exploit, Third Party Advisory, VDB Entry
vuldb.com [email protected] vuldb.com Permissions Required, VDB Entry
github.com/appneta/tcpreplay/issues/957 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com Exploit, Issue Tracking, Vendor Advisory
vuldb.com [email protected] vuldb.com Third Party Advisory, VDB Entry
www.gnu.org [email protected] www.gnu.org Product
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: nipc-cxd (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2025-08-08T00:00:00.000ZAdvisory disclosed
CNA2025-08-08T02:00:00.000ZVulDB entry created
CNA2025-08-08T11:19:40.000ZVulDB entry last update

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