CVE-2024-2961
Publication date 17 April 2024
Last updated 24 June 2025
Ubuntu priority
Description
The iconv() function in the GNU C Library versions 2.39 and older may overflow the output buffer passed to it by up to 4 bytes when converting strings to the ISO-2022-CN-EXT character set, which may be used to crash an application or overwrite a neighbouring variable.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| glibc | 25.10 questing |
Fixed 2.39-0ubuntu8.1
|
| 25.04 plucky |
Fixed 2.39-0ubuntu8.1
|
|
| 24.04 LTS noble |
Fixed 2.39-0ubuntu8.1
|
|
| 22.04 LTS jammy |
Fixed 2.35-0ubuntu3.7
|
|
| 20.04 LTS focal |
Fixed 2.31-0ubuntu9.15
|
|
| 18.04 LTS bionic |
Fixed 2.27-3ubuntu1.6+esm2
|
|
| 16.04 LTS xenial |
Fixed 2.23-0ubuntu11.3+esm6
|
|
| eglibc | 25.10 questing | Not in release |
| 25.04 plucky | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 14.04 LTS trusty |
Fixed 2.19-0ubuntu6.15+esm3
|
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Patch details
| Package | Patch details |
|---|---|
| glibc |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.3 · High
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-6737-1
- GNU C Library vulnerability
- 18 April 2024
- USN-6737-2
- GNU C Library vulnerability
- 29 April 2024
- USN-6762-1
- GNU C Library vulnerabilities
- 2 May 2024