CVE-2023-38252
Publication date 14 July 2023
Last updated 19 August 2025
Ubuntu priority
Description
An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.
Read the notes from the security team
Why is this CVE low priority?
Greatest impact is a crash (and therefore denial-of-service) in this command-line application - no real security impact.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| w3m | 26.04 LTS resolute |
Fixed 0.5.3+git20230121-2ubuntu1
|
| 25.10 questing |
Fixed 0.5.3+git20230121-2ubuntu1
|
|
| 24.04 LTS noble |
Fixed 0.5.3+git20230121-2ubuntu1
|
|
| 22.04 LTS jammy |
Fixed 0.5.3+git20210102-6ubuntu0.2
|
|
| 20.04 LTS focal |
Fixed 0.5.3-37ubuntu0.2
|
|
| 18.04 LTS bionic |
Fixed 0.5.3-36ubuntu0.1+esm1
|
|
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty | Ignored end of standard support |
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Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
4.7 · Medium
|
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H |