Security readout for executives and security teams
Plain-English summary
ATasm 1.06 can overflow memory when it processes a malicious .m65 source file. The practical risk is mainly to developers or build systems that open untrusted ATasm input. The sources do not provide CVSS scoring or evidence of active exploitation.
Executive priority
Treat as a targeted developer-tool risk, not a broad enterprise emergency. Prioritize remediation where ATasm processes third-party files or runs in automated build pipelines.
Technical view
CVE-2019-19785 is a stack-based buffer overflow in ATasm 1.06, specifically the to_comma() function in asm.c. Triggering requires a crafted .m65 file. Public records name Fedora package advisories, but the bundle does not include detailed affected package ranges or upstream fix mechanics.
Likely exposure
Exposure is likely limited to systems with ATasm 1.06 or vulnerable packaged builds, especially developer workstations, retro-computing toolchains, and automated build environments processing .m65 files.
Exploitation context
The source bundle supports crafted-file triggering only. It does not cite CISA KEV listing, confirmed exploitation in the wild, public weaponization, or remote network exploitation.
Researcher notes
Evidence is sparse: no CVSS, CWE, CPE, exploit status, or detailed patch note is included in the bundle. Validate against the SourceForge bug and distro advisories before assigning internal severity.
Mitigation direction
- Inventory ATasm installations and package versions.
- Apply relevant vendor or distribution updates, including Fedora advisories where applicable.
- Avoid processing untrusted .m65 files with ATasm.
- Run assembler workflows in isolated, least-privilege build environments.
Validation and detection
- Check whether ATasm 1.06 is installed or bundled in build tooling.
- Review package manager history for applicable Fedora advisory updates.
- Identify workflows that process externally supplied .m65 files.
- Monitor vendor, distribution, and upstream SourceForge guidance for fix details.
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-2019-19785 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://sourceforge.net/p/atasm/bugs/8/CVE reference · x_refsource_MISC
- FEDORA-2021-681b6ea532CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-dc534847b2CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-8e96009030CVE 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.