Ubuntu update for htmldoc
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-23165 |
| CWE-ID | CWE-122 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system htmldoc-common (Ubuntu package) Operating systems & Components / Operating system package or component htmldoc (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Heap-based buffer overflow
EUVDB-ID: #VU54035
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23165
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the pspdf_prepare_outpages() function in ps-pdf.cxx. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and crash the library.
Update the affected package htmldoc to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 20.04
htmldoc-common (Ubuntu package): before 1.9.7-1ubuntu0.3
htmldoc (Ubuntu package): before 1.9.7-1ubuntu0.3
External linkshttp://ubuntu.com/security/notices/USN-5438-1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
