Security readout for executives and security teams
Plain-English summary
CVE-2019-14295 is a UPX 3.95 parsing flaw that can crash UPX when it handles a specially malformed packed executable. The business impact is denial of service, mainly for systems or workflows that automatically inspect, unpack, or process untrusted executables.
Executive priority
Prioritize this for environments that process untrusted executables at scale. It is not shown as actively exploited and the documented impact is denial of service, but a crash in automated analysis or intake infrastructure can disrupt operations.
Technical view
The issue is an integer overflow in getElfSections in p_vmlinx.cpp. A skewed offset larger than the PE section size in a UPX-packed executable can trigger excessive memory allocation and crash the process. The provided data has no CVSS score, CWE mapping, or structured affected CPEs.
Likely exposure
Exposure is most likely where UPX 3.95 is installed and used to process untrusted or externally supplied packed executables, especially in malware-analysis, file-intake, CI, sandboxing, or scanning pipelines. General servers are less exposed unless they invoke UPX on attacker-controlled files.
Exploitation context
The source bundle describes remote attackers causing a crash through a crafted UPX-packed executable. It does not cite active exploitation, public weaponization, or CISA KEV listing. Treat exploitation status as unconfirmed beyond proof of a malformed-file denial-of-service condition.
Researcher notes
Evidence is limited to the CVE description, UPX issue reference, and Fedora advisories. The affected field is not populated beyond the description naming UPX 3.95. No patch version, CVSS vector, CWE, or KEV signal is included in the supplied bundle.
Mitigation direction
- Inventory systems and pipelines using UPX, especially version 3.95.
- Apply relevant UPX or distribution package updates when available.
- Review Fedora advisories if using Fedora-packaged UPX.
- Avoid processing untrusted executables with vulnerable UPX versions.
- Run UPX file processing with memory and process isolation controls.
Validation and detection
- Confirm whether UPX 3.95 is installed or packaged in affected environments.
- Identify automated workflows that run UPX on external files.
- Check whether updated vendor or distribution packages have been applied.
- Verify file-processing jobs have resource limits and crash recovery.
- Review security telemetry for UPX crashes during file intake.
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.
CVE-2019-14295 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/upx/upx/issues/286CVE reference · x_refsource_MISC
- FEDORA-2019-9a0f02c8c8CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2019-bf4633142bCVE reference · vendor-advisory, x_refsource_FEDORA
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.