01 Record

CVE-2026-116732

libdwarf through 2.3.3 Heap Out-of-Bounds Read via dwarf_debug_addr_table

MediumPUBLISHEDCNA: VulnCheck

CNA base score4.8 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N

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02 Description

libdwarf through 2.3.3 Heap Out-of-Bounds Read via dwarf_debug_addr_table

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.13% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 2.7% of scored records. A rank, not a probability.
NVD base score: 4.8 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD analysis status: Awaiting Analysis. NVD last modified this record on 2026-10-27.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2026-10-26 21:52Z2 DAYS AGO

Last updated

2026-10-26 21:52Z2 DAYS AGO

Reserved

2026-10-26

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N

Weaknesses

CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

eb747ac06dc99787e61367fadae68316aa9b7202e92119fc9dd35fe8863ec8aa

05 Affected products

VendorProductVersionsPlatforms

davea42libdwarf0 to 2.3.3—

06 References

github.comGitHub Issue #336https://github.com/davea42/libdwarf-code/issues/336issue-tracking
github.comhttps://github.com/davea42/libdwarf-codeproduct
github.comhttps://github.com/davea42/libdwarf-code/commit/71f04013ddc2a3c88b9e25a4162ee2824741b593patch
github.comhttps://github.com/davea42/libdwarf-code/blob/v2.3.3/src/lib/libdwarf/dwarf_debugaddr.c#L175-L216technical-description
hackmd.iohttps://hackmd.io/@haindpwn/libdwarf-debug-addr-table-section-offset-oob-readthird-party-advisory
www.vulncheck.comVulnCheck Advisory: libdwarf through 2.3.3 Heap Out-of-Bounds Read via dwarf_debug_addr_tablehttps://www.vulncheck.com/advisories/libdwarf-through-2.3.3-heap-out-of-bounds-read-via-dwarf-debug-addr-tablethird-party-advisory