Security readout for executives and security teams
Plain-English summary
Libelfin v0.3 can crash when it processes a specially crafted ELF file. The reported impact is denial of service through segmentation fault, not code execution. Risk is most relevant where internal tools or services automatically inspect untrusted ELF/DWARF files.
Executive priority
Treat this as a targeted operational resilience issue. Prioritize if ELF parsing is internet-facing, customer-facing, or part of security automation; otherwise track through normal dependency maintenance.
Technical view
The CVE points to line_table::line_table in Libelfin v0.3. A crafted ELF file can trigger a segmentation fault during DWARF line table handling. The public record provides no CVSS score, CWE, named patch version, or broad affected-product list.
Likely exposure
Exposure is likely limited to software, pipelines, or analysis services that embed Libelfin v0.3 and parse ELF files supplied by users, build artifacts, malware samples, or external customers.
Exploitation context
The source bundle supports a crafted-file denial-of-service condition. It does not support active exploitation in the wild; KEV is false, and no cited source claims exploitation beyond the public crash report.
Researcher notes
Evidence is sparse: the CVE record names the vulnerable function and crash mechanism, while references point to a GitHub issue and reproducer description. No patch, CVSS, CWE, or exploitation evidence is included in the provided sources.
Mitigation direction
- Inventory applications and pipelines using Libelfin v0.3.
- Check upstream issue guidance before choosing an upgrade or patch path.
- Avoid parsing untrusted ELF files in privileged or shared service contexts.
- Sandbox ELF analysis tools and enforce crash isolation.
- Add monitoring for repeated parser crashes or abnormal job failures.
Validation and detection
- Confirm whether Libelfin v0.3 is present in source, containers, or dependencies.
- Identify workflows that parse externally supplied ELF or DWARF data.
- Review crash logs for segmentation faults in DWARF line table handling.
- Verify whether your fork or vendor package includes an upstream fix.
- Run only authorized, non-weaponized regression checks in isolated test environments.
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-2020-24825 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/aclements/libelfin/issues/46CVE reference · x_refsource_MISC
- https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-line_tableline_table-at-dwarflinecc104CVE reference · x_refsource_MISC
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.