Description
Certain Neko-related HTML parsers allow a denial of service via crafted Processing Instruction (PI) input that causes excessive heap memory consumption. In particular, this issue exists in HtmlUnit-Neko through 2.26, and is fixed in 2.27. This issue also exists in CyberNeko HTML through 1.9.22 (also affecting OWASP AntiSamy before 1.6.6), but 1.9.22 is the last version of CyberNeko HTML. NOTE: this may be related to CVE-2022-24839.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libowasp-antisamy-java | 1.7.4-1 | — |
| Debian 13 | libowasp-antisamy-java | 1.7.4-1 | — |
| Debian 12 | libowasp-antisamy-java | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libowasp-antisamy-java | No fix yet | — |
| Ubuntu 26.04 LTS | libowasp-antisamy-java | No fix yet | — |
| Ubuntu 25.10 | libowasp-antisamy-java | No fix yet | — |
| Ubuntu 24.04 LTS | libowasp-antisamy-java | No fix yet | — |
| Ubuntu 22.04 LTS | libowasp-antisamy-java | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libowasp-antisamy-java | No fix yet | — |
| Ubuntu 18.04 LTS | libowasp-antisamy-java | No fix yet | — |
| Ubuntu 16.04 LTS | libowasp-antisamy-java | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | net.sourceforge.htmlunit:neko-htmlunit | < 2.27 | 2.27 | GHSA-g9hh-vvx3-v37v |
Advisories 2
- WID-SEC-2024-0671 Atlassian Jira Software: Mehrere Schwachstellen ermöglichen Codeausführung und DoS BSI CERT-Bund (WID) · Nov 24, 2024
- WID-SEC-2023-2993 Atlassian Bamboo, Atlassian Bitbucket, Atlassian Confluence and Atlassian Jira Software: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 12, 2023