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Fencer Intel
high 7.8

CVE-2022-32200 json

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

published 4y ago modified 4mo ago also EUVD-2022-53408

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

Patch / fix

  • dwarfutils Debian 14, Debian 13 1:0.11.1-1

debian advisories DEBIAN-CVE-2022-32200

  • dwarfutils Ubuntu Pro 22.04 LTS 20210528-1ubuntu0.22.04.1~esm1
  • dwarfutils Ubuntu Pro 24.04 LTS 20210528-1ubuntu0.24.04.1~esm1

ubuntu advisories UBUNTU-CVE-2022-32200

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/davea42/libdwarf-code/issues/116 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel 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.