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Fencer Intel
medium 5.5

CVE-2022-0534 json

A vulnerability was found in htmldoc version 1.9.15 where the stack out-of-bounds read takes place in gif_get_code() and occurs when openin…

published 4y ago modified 4mo ago also EUVD-2022-15659

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

A vulnerability was found in htmldoc version 1.9.15 where the stack out-of-bounds read takes place in gif_get_code() and occurs when opening a malicious GIF file, which can result in a crash (segmentation fault).

Patch / fix

  • htmldoc Debian 14, Debian 13, Debian 12 1.9.15-1

debian advisories DEBIAN-CVE-2022-0534

  • 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

ubuntu advisories UBUNTU-CVE-2022-0534

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 Subscription Management Tool 11 SP3 1.8.27-170.4.9.1

suse advisories SUSE-SU-2022:14898-1

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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-2022-0534 updated cvss 3.3

htmldoc: stack out-of-bounds read in gif_get_code() when opening a malicious GIF file results in a segmentation fault

  • 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

0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/michaelrsweet/htmldoc/issues/463 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/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

Affected products

  • n/a htmldoc

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.