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Fencer Vulns
medium 6.5

CVE-2019-14249 json

dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file wit…

published 2019-07-24 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-5489

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file with a zero-size section group (SHT_GROUP), as demonstrated by dwarfdump.

Patch / fix

  • libdwarf_project libdwarf 2019-07-05
  • libdwarf Alpine 3.24, Alpine 3.23, Alpine 3.22 +4 more 0.6.0-r0

alpine advisories ALPINE-CVE-2019-14249

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libdwarf CBL-Mariner 2.0 0.9.0
  • libdwarf Azure Linux 3.0 0.9.0-1

azure linux advisories AZL-33329AZL-42081

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-14249 updated cvss 3.3

libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS

  • Red Hat Enterprise Linux 7 libdwarf, libdwarf-tools Red Hat Enterprise Linux 8 libdwarf, libdwarf-tools
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.73% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.