CVE-2022-34035
HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc...
HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc/html.cxx:588.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc/html.cxx:588.
- Record
CVE-2022-34035- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc/html.cxx:588.
- Record
CVE-2022-34035- Updated
- 2026-11-02
EUVDEUVD-2022-37067 No score
HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc/html.cxx:588.
- Record
EUVD-2022-37067- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pw49-cjr4-3pqr
7.5
HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc...
HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc/html.cxx:588.
- Record
GHSA-pw49-cjr4-3pqr- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2022-34035
7.5
HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc/html.cxx:588.
- Record
DEBIAN-CVE-2022-34035- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSVUBUNTU-CVE-2022-34035
7.5
HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc/html.cxx:588.
- Record
UBUNTU-CVE-2022-34035- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV No score
HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc/html.cxx:588.
- Record
CVE-2022-34035- Updated
- 2026-11-02
OSVUSN-7225-1 No score
HTMLDOC vulnerabilities
It was discovered that HTMLDOC incorrectly handled memory in the image_set_mask, git_read_lzw, write_header and write_node functions, which could lead to a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2022-0137, CVE-2022-24191, CVE-2022-34033, CVE-2022-34035)
It was discovered that HTMLDOC incorrectly handled memory in the gif_get_code function, which could lead to a segmentation fault. If a user or application were tricked into opening a crafted GIF file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2022-0534)
It was discovered that HTMLDOC did not perform proper bounds checks on image dimensions when loading JPEG images, which could lead to a buffer overflow. If a user or application were tricked into opening a crafted JPEG image, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-27114)
It was discovered that HTMLDOC incorrectly handled memory in the pdf_write_names function, which could lead to a heap buffer overflow. If a user or application were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or leak sensitive information. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-28085)
It was discovered that HTMLDOC could be made to write out of bounds when attempting to strip whitespace. An attacker could use this issue to cause a denial of service or execute arbitrary code. (CVE-2024-45508)
It was discovered that HTMLDOC incorrectly handled memory in the parse_pre function, which could lead to a heap buffer overflow. If a user or application were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2024-46478)
- Record
USN-7225-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
htmldocDebian:12 |
before 1.9.12-1 | 1.9.12-1 |
htmldocDebian:13 |
before 1.9.12-1 | 1.9.12-1 |
htmldocDebian:14 |
before 1.9.12-1 | 1.9.12-1 |
htmldocUbuntu:Pro:14.04:LTS |
before 1.8.27-8ubuntu1+esm4, plus listed versions 1.8.27-8ubuntu11.8.27-8ubuntu1+esm11.8.27-8ubuntu1+esm21.8.27-8ubuntu1+esm3 |
1.8.27-8ubuntu1+esm4 |
htmldocUbuntu:Pro:16.04:LTS |
before 1.8.27-8ubuntu1.1+esm3, plus listed versions 1.8.27-8ubuntu11.8.27-8ubuntu1.11.8.27-8ubuntu1.1+esm11.8.27-8ubuntu1.1+esm2 |
1.8.27-8ubuntu1.1+esm3 |
htmldocUbuntu:Pro:18.04:LTS |
before 1.9.2-1ubuntu0.2+esm2, plus listed versions 1.8.27-8ubuntu21.8.27-8ubuntu31.9.2-11.9.2-1ubuntu0.11.9.2-1ubuntu0.21.9.2-1ubuntu0.2+esm1 |
1.9.2-1ubuntu0.2+esm2 |
htmldocUbuntu:Pro:20.04:LTS |
before 1.9.7-1ubuntu0.3+esm2, plus listed versions 1.9.3-11.9.7-11.9.7-1build11.9.7-1ubuntu0.21.9.7-1ubuntu0.31.9.7-1ubuntu0.3+esm1 |
1.9.7-1ubuntu0.3+esm2 |
htmldocUbuntu:Pro:14.04:LTS From an advisory covering 9 CVEs |
before 1.8.27-8ubuntu1+esm4, plus listed versions 1.8.27-8ubuntu11.8.27-8ubuntu1+esm11.8.27-8ubuntu1+esm21.8.27-8ubuntu1+esm3 |
1.8.27-8ubuntu1+esm4 |
htmldocUbuntu:Pro:16.04:LTS From an advisory covering 9 CVEs |
before 1.8.27-8ubuntu1.1+esm3, plus listed versions 1.8.27-8ubuntu11.8.27-8ubuntu1.11.8.27-8ubuntu1.1+esm11.8.27-8ubuntu1.1+esm2 |
1.8.27-8ubuntu1.1+esm3 |
htmldocUbuntu:Pro:18.04:LTS From an advisory covering 9 CVEs |
before 1.9.2-1ubuntu0.2+esm2, plus listed versions 1.8.27-8ubuntu21.8.27-8ubuntu31.9.2-11.9.2-1ubuntu0.11.9.2-1ubuntu0.21.9.2-1ubuntu0.2+esm1 |
1.9.2-1ubuntu0.2+esm2 |
htmldocUbuntu:Pro:20.04:LTS From an advisory covering 9 CVEs |
before 1.9.7-1ubuntu0.3+esm2, plus listed versions 1.9.3-11.9.7-11.9.7-1build11.9.7-1ubuntu0.21.9.7-1ubuntu0.31.9.7-1ubuntu0.3+esm1 |
1.9.7-1ubuntu0.3+esm2 |
htmldocUbuntu:Pro:22.04:LTS From an advisory covering 9 CVEs |
before 1.9.15-1ubuntu0.1~esm1, plus listed versions 1.9.11-41.9.12-11.9.13-11.9.14-11.9.15-1 |
1.9.15-1ubuntu0.1~esm1 |
htmldocUbuntu:Pro:24.04:LTS From an advisory covering 9 CVEs |
before 1.9.17-1ubuntu0.1~esm1, plus listed versions 1.9.16-11.9.17-11.9.17-1build21.9.17-1build3 |
1.9.17-1ubuntu0.1~esm1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-34035 is a high vulnerability (CVSS 7.5) in Htmldoc Project Htmldoc, published July 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.70%, the 77th percentile. Fixed in htmldoc 1.9.12-1.
References
github.com/michaelrsweet/htmldoc/issues/426
github.com/michaelrsweet/htmldoc/commit/ee778252faebb721afba5a081dd6ad7eaf20eef3
github.com/michaelrsweet/htmldoc/commit/a0014be47d614220db111b360fb6170ef6f3937e
nvd.nist.gov/vuln/detail/CVE-2022-34035
github.com/advisories/GHSA-pw49-cjr4-3pqr
github.com/CVEProject/cvelistV5/tree/main/cves/2022/34xxx/CVE-2022-34035.json
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security-tracker.debian.org/tracker/CVE-2022-34035
ubuntu.com/security/CVE-2022-34035
cve.org/CVERecord?id=CVE-2022-34035
ubuntu.com/security/notices/USN-7225-1
ubuntu.com/security/CVE-2022-0137
ubuntu.com/security/CVE-2022-0534
ubuntu.com/security/CVE-2022-24191
ubuntu.com/security/CVE-2022-27114
ubuntu.com/security/CVE-2022-28085
ubuntu.com/security/CVE-2022-34033
ubuntu.com/security/CVE-2024-45508
ubuntu.com/security/CVE-2024-46478