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TI-2026-74150 Aliases CVE-2026-110659GHSA-78jh-26cf-3958

NULL pointer dereference in ELFIO lets crafted ELF files crash apps

Priority MEDIUM 63CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-476.

Summary

ELFIO through 3.12 from serge1 contains a NULL pointer dereference (CWE-476) in relocation_section_accessor get_entry(). It does not validate the sh_link index, so a crafted ELF file with a dangling sh_link in an SHT_REL or SHT_RELA section makes the application dereference null and crash. A local attacker needs a user to open the crafted file, and a public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

ELFIO through 3.12 contains a NULL pointer dereference vulnerability in relocation_section_accessor get_entry() that allows attackers to crash applications via an unvalidated sh_link index. Attackers can supply a crafted ELF file whose SHT_REL or SHT_RELA section has a dangling sh_link, causing find_hash_section() to dereference null and deny service.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00179 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
serge1ELFIOup to 3.12—No fix listedCNA
  • ELFIO Vendorserge1 Affected up to 3.12 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for ELFIO.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-14 Threatist record created from CVE-2026-110659
  2. 2026-10-15 Alias added: GHSA-78jh-26cf-3958
  3. 2026-10-16 Priority changed: MEDIUM → LOW
  4. 2026-10-16 Affected versions changed · Red Hat
  5. 2026-10-16 CVSS score added · Red Hat
  6. 2026-10-20 CISA SSVC decision points changed
  7. 2026-10-20 Priority changed: LOW → MEDIUM

References

Exploit 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences