CVE-2024-46478
HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681.
HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.8
HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681.
- Record
CVE-2024-46478- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2024-41855
9.8
HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681.
- Record
EUVD-2024-41855- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p9jh-f6vr-wxj3
9.8
HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681.
HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681.
- Record
GHSA-p9jh-f6vr-wxj3- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
9.8
HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681.
- Record
CVE-2024-46478- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSV
9.8
HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681.
- Record
CVE-2024-46478- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2024-46478
9.8
HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681.
- Record
DEBIAN-CVE-2024-46478- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 6 moreShow less
OSVUBUNTU-CVE-2024-46478
9.8
HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681.
- Record
UBUNTU-CVE-2024-46478- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2024-0353 No score
Updated htmldoc packages fix security vulnerabilities
HTMLDOC before 1.9.19 has an out-of-bounds write in parse_paragraph in ps-pdf.cxx because of an attempt to strip leading whitespace from a whitespace-only node. (CVE-2024-45508) HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681. (CVE-2024-46478)
- Record
MGASA-2024-0353- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:0349-1 No score
Security update for htmldoc
This update for htmldoc fixes the following issues:
- CVE-2024-46478: Fixed a buffer overflow when handling tabs through the parse_pre function (boo#1232380).
- Record
openSUSE-SU-2024:0349-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:14460-1 No score
htmldoc-1.9.18-3.1 on GA media
These are all security issues fixed in the htmldoc-1.9.18-3.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:14460-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:20219-1 No score
Security update for htmldoc
This update for htmldoc fixes the following issues:
Changes in htmldoc:
-
CVE-2024-46478: Fixed buffer overflow when handling tabs through the parse_pre function (bsc#1232380).
-
version update to 1.9.23:
- Fixed a regression in list handling that caused a crash for empty list items (Issue #553)
- Fixed a regression in the number of rendered table of contents levels in PDF and PostScript output (Issue #554)
-
version update to 1.9.22:
- Added a "--without-http" configure option to build without CUPS HTTP/HTTPS support (Issue #547)
- Updated HTTP/HTTPS support to work with both CUPS 2.x and 3.x.
- Updated the maximum image dimension to prevent integer overflow on 32-bit platforms (Issue #550)
- Updated the HTML parser to correctly report the line number of errors in files with more than 2^32-1 lines (Issue #551)
- Fixed a crash bug with certain markdown files (Issue #548)
- Fixed an unrestricted recursion bug when reading and formatting HTML (Issue #552)
-
version update to 1.9.21
- Updated HTTP/HTTPS connection error reporting to include the reason.
- Updated markdown parser.
- Updated the HTTP/HTTPS connection timeout to 5 minutes (Issue #541)
- Fixed a bug in the new PDF link code (Issue #536)
- Fixed a bug in the number-up code (Issue #539)
- Fixed a regression in leading whitespace handling (Issue #540)
- Fixed a bug in numbered heading support (Issue #543)
- Fixed a bug with setting the header on the first page (Issue #544)
- Fixed paths in the HTMLDOC snap (Issue #545)
-
update to 1.9.20:
- Fix a regression that caused spaces to disappear between some words
- Fix resolution of relative links within a document
-
includes changes from 1.9.19:
- Add support for ‘file’ method in links
- Update markdown support code to mmd
- Fix hyperlinks to subfolders
- Fix export of UTF-8 HTML
- Fix handling of whitespace-only nodes
- Fix case sensitivity of link targets
- Record
openSUSE-SU-2026:20219-1- 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 |
All versions, plus listed versions 1.9.16-11.9.17-11.9.18-11.9.18-21.9.18-3 Show 7 moreShow less1.9.19-11.9.20-11.9.21-11.9.22-11.9.23-11.9.24-11.9.25-1 |
None known |
htmldocDebian:13 |
before 1.9.18-3 | 1.9.18-3 |
htmldocDebian:14 |
before 1.9.18-3 | 1.9.18-3 |
htmldocMageia:9 From an advisory covering 2 CVEs |
before 1.9.15-3.1.mga9 | 1.9.15-3.1.mga9 |
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:22.04:LTS |
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 |
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 |
Show 10 moreShow less
| Package | Affected | Fixed |
|---|---|---|
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 |
htmldocSUSE:Package Hub 15 SP5 |
before 1.9.16-bp155.2.6.1 | 1.9.16-bp155.2.6.1 |
htmldocopenSUSE:Leap 15.5 |
before 1.9.16-bp155.2.6.1 | 1.9.16-bp155.2.6.1 |
htmldocopenSUSE:Tumbleweed |
before 1.9.18-3.1 | 1.9.18-3.1 |
htmldocopenSUSE:Leap 16.0 From an advisory covering 2 CVEs |
before 1.9.23-bp160.1.1 | 1.9.23-bp160.1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| 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-2024-46478 is a critical vulnerability (CVSS 9.8) in Htmldoc Project Htmldoc, published October 24, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. Fixed in htmldoc 1.9.18-3.
References
github.com/michaelrsweet/htmldoc/issues/529
github.com/michaelrsweet/htmldoc/commit/683bec548e642cf4a17e003fb34f6bbaf2d27b98
nvd.nist.gov/vuln/detail/CVE-2024-46478
github.com/advisories/GHSA-p9jh-f6vr-wxj3
github.com/CVEProject/cvelistV5/tree/main/cves/2024/46xxx/CVE-2024-46478.json
security-tracker.debian.org/tracker/CVE-2024-46478
Show 19 moreShow less
advisories.mageia.org/MGASA-2024-0353.html
bugs.mageia.org/show_bug.cgi?id=33737
lists.opensuse.org/archives/list/[email protected]/message/RNU4P4P7ZCF5TYOAPMGGBX2KSE6IHZFT
ubuntu.com/security/CVE-2024-46478
cve.org/CVERecord?id=CVE-2024-46478
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-2022-34035
ubuntu.com/security/CVE-2024-45508
lists.opensuse.org/archives/list/[email protected]/thread/66EAKHFU5UCLXGZTCGHTRYJAVMYI7VOL
bugzilla.suse.com/1232380
suse.com/security/cve/CVE-2024-46478
lists.opensuse.org/archives/list/[email protected]/thread/RNU4P4P7ZCF5TYOAPMGGBX2KSE6IHZFT
suse.com/security/cve/CVE-2024-45508