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Fencer Intel
high 7.8

CVE-2022-28085 json

A flaw was found in htmldoc commit 31f7804.

published 4y ago modified 4mo ago also EUVD-2022-32570

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

A flaw was found in htmldoc commit 31f7804. A heap buffer overflow in the function pdf_write_names in ps-pdf.cxx may lead to arbitrary code execution and Denial of Service (DoS).

Patch / fix

  • htmldoc_project htmldoc 1.9.16
  • htmldoc Debian 14, Debian 13, Debian 12 1.9.15-2

debian advisories DEBIAN-CVE-2022-28085

  • htmldoc Ubuntu Pro 14.04 LTS 1.8.27-8ubuntu1+esm4
  • htmldoc Ubuntu Pro 16.04 LTS 1.8.27-8ubuntu1.1+esm3
  • htmldoc Ubuntu Pro 18.04 LTS 1.9.2-1ubuntu0.2+esm2
  • htmldoc Ubuntu Pro 20.04 LTS 1.9.7-1ubuntu0.3+esm2
  • htmldoc Ubuntu Pro 22.04 LTS 1.9.15-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2022-28085

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

  • htmldoc openSUSE Tumbleweed 1.9.15-2.1

opensuse advisories openSUSE-SU-2024:12035-1

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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-2022-28085 updated cvss 7.1

htmldoc: heap buffer overflow in function pdf_write_names in ps-pdf.cxx

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

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

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/michaelrsweet/htmldoc/issues/480 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.