Security readout for executives and security teams
Plain-English summary
GNU Barcode 0.99 has a critical buffer overflow in its Code 93 barcode encoding path. If a vulnerable system processes malicious input, memory corruption could occur and may allow arbitrary code execution. Public exploit information is referenced, but active exploitation is not confirmed by KEV or the provided sources.
Executive priority
Treat as high priority for environments using GNU Barcode 0.99 with untrusted input. The potential impact is full system compromise, and public exploit material is referenced. Prioritize inventory and containment first because the provided sources do not name a specific patch.
Technical view
CVE-2018-25154 is a CWE-787 out-of-bounds write in GNU Barcode 0.99 during Code 93 input processing. The provided CVSS is 9.8, with network attack vector, low complexity, no privileges, and no user interaction. The source bundle references ExploitDB-44797, indicating public exploit material exists.
Likely exposure
Exposure is most likely where GNU Barcode 0.99 is installed and processes barcode data, files, or user-supplied input in automated services, web backends, print pipelines, or document-generation workflows. Systems not using GNU Barcode, not on version 0.99, or not processing untrusted input are less likely exposed.
Exploitation context
The vulnerability is described as triggerable during input file processing. Public exploit reference exists, increasing risk for internet-facing or automated processing environments. The source bundle does not establish confirmed active exploitation, inclusion in CISA KEV, or a vendor-published fixed version.
Researcher notes
Evidence is limited to the CVE description, product references, and an ExploitDB reference. Do not assume active exploitation or a fixed release from these sources alone. Focus validation on version 0.99, Code 93 processing paths, and whether attacker-controlled input can reach the utility.
Mitigation direction
- Identify and remove GNU Barcode 0.99 where not required.
- Avoid processing untrusted barcode input with GNU Barcode 0.99.
- Check GNU, FSF, and OS distribution guidance for fixed packages.
- Isolate systems that must continue processing untrusted barcode files.
- Apply least privilege to services invoking GNU Barcode.
Validation and detection
- Inventory systems for GNU Barcode installations and versions.
- Map applications or jobs that invoke GNU Barcode.
- Determine whether Code 93 processing is used.
- Review logs for crashes around barcode input processing.
- Confirm remediation status against vendor or distribution advisories.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-25154 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-44797CVE reference · exploit
- GNU Barcode Official Product PageCVE reference · product
- FSF Directory Entry for BarcodeCVE reference · product
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.