CVE-2022-24191
In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer...
In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer arbitrarily pointing to heap memory and resulting in a buffer overflow.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
5.5
In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer arbitrarily pointing to heap memory and resulting in a buffer overflow.
- Record
CVE-2022-24191- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-835
- Updated
- 2026-11-02
CVE List No score
In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer arbitrarily pointing to heap memory and resulting in a buffer overflow.
- Record
CVE-2022-24191- Updated
- 2026-11-02
EUVDEUVD-2022-29102 No score
In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer arbitrarily pointing to heap memory and resulting in a buffer overflow.
- Record
EUVD-2022-29102- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-88v7-976w-9hc8
5.5
In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer...
In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer arbitrarily pointing to heap memory and resulting in a buffer overflow.
- Record
GHSA-88v7-976w-9hc8- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-835
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2022-24191
5.5
In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer arbitrarily pointing to heap memory and resulting in a buffer overflow.
- Record
UBUNTU-CVE-2022-24191- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV No score
In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer arbitrarily pointing to heap memory and resulting in a buffer overflow.
- Record
CVE-2022-24191- Updated
- 2026-11-02
OSVDEBIAN-CVE-2022-24191 No score
In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer arbitrarily pointing to heap memory and resulting in a buffer overflow.
- Record
DEBIAN-CVE-2022-24191- Updated
- 2026-11-03
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 1.9.15-1 | 1.9.15-1 |
htmldocDebian:13 |
before 1.9.15-1 | 1.9.15-1 |
htmldocDebian:14 |
before 1.9.15-1 | 1.9.15-1 |
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-2022-24191 is a medium vulnerability (CVSS 5.5) in Htmldoc Project Htmldoc, published April 4, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.74%, the 54th percentile. Fixed in htmldoc 1.9.15-1.
References
github.com/michaelrsweet/htmldoc/issues/470
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RPDZLHOMPSA2LBXXFTZ5UADZWGYYWH7
nvd.nist.gov/vuln/detail/CVE-2022-24191
lists.fedoraproject.org/archives/list/[email protected]/message/6RPDZLHOMPSA2LBXXFTZ5UADZWGYYWH7
github.com/advisories/GHSA-88v7-976w-9hc8
github.com/CVEProject/cvelistV5/tree/main/cves/2022/24xxx/CVE-2022-24191.json
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security-tracker.debian.org/tracker/CVE-2022-24191
ubuntu.com/security/CVE-2022-24191
cve.org/CVERecord?id=CVE-2022-24191
ubuntu.com/security/notices/USN-7225-1
ubuntu.com/security/CVE-2022-0137
ubuntu.com/security/CVE-2022-0534
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
ubuntu.com/security/CVE-2024-46478