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TI-2026-83086 Aliases CVE-2026-119601GHSA-cmx5-359p-fw39

Heap out-of-bounds write in AFFLIB af_get_page

Priority MEDIUM 64CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

AFFLIB through 3.7.22 from sshock contains a heap out-of-bounds write in af_get_page(), classified as CWE-787. A crafted AFF image with a page size larger than and not a multiple of the sector size makes the sector zero-fill loop write past the buffer. A local attacker can corrupt heap memory and crash forensic tools by supplying such an image.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

AFFLIB through 3.7.22 contains a heap out-of-bounds write vulnerability in af_get_page() that allows attackers to corrupt heap memory by supplying crafted AFF images with mismatched page and sector sizes. Attackers can set a page size larger than and not a multiple of the sector size, causing the sector zero-fill loop to write past the buffer and crash forensic tools.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00121 1st percentileScored 2026-11-07
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
sshockAFFLIBup to 3.7.22—No fix listedCNA
  • AFFLIB Vendorsshock Affected up to 3.7.22 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for AFFLIB.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-119601
  2. 2026-10-30 Alias added: GHSA-cmx5-359p-fw39
  3. 2026-10-30 Affected versions changed · Red Hat
  4. 2026-10-30 CVSS score added · Red Hat
  5. 2026-11-01 Priority changed: MEDIUM → LOW
  6. 2026-11-05 CISA SSVC decision points changed
  7. 2026-11-05 Priority changed: LOW → MEDIUM

References

Advisory 1

Other 3

Sources

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