CVE catalog
CVE-2011-2516
xml-security-c: CVE-2011-2516
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 7.72% · Oct 25, 2026
Off-by-one error in the XML signature feature in Apache XML Security for C++ 1.6.0, as used in Shibboleth before 2.4.3 and possibly other products, allows remote attackers to cause a denial of service (crash) via a signature using a large RSA key, which triggers a buffer overflow.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | xml-security-c | sid | 3.0.0-2 | fixed |
| Debian | xml-security-c | forky | 3.0.0-2 | fixed |
| Debian | xml-security-c | trixie | 3.0.0-2 | fixed |
| Debian | xml-security-c | bookworm | 2.0.4-2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | xml-security-c | source | sid | 1.6.1-1 | low | Not reported | [632973] |
| Debian | xml-security-c | source | forky | 1.6.1-1 | low | Not reported | [632973] |
| Debian | xml-security-c | source | trixie | 1.6.1-1 | low | Not reported | [632973] |
| Debian | xml-security-c | source | bookworm | 1.6.1-1 | low | Not reported | [632973] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libxml-security-c20]Fixed
Source package: [xml-security-c]
Details (2)
2.0.4-2· amd64 · bookwormFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · bookworm; dsa · xml-security-c · debian · 12
2.0.4-2· arm64 · bookwormFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · bookworm; dsa · xml-security-c · debian · 12
- [libxml-security-c-dev]Fixed
Source package: [xml-security-c]
Details (2)
2.0.4-2· amd64 · bookwormFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · bookworm; dsa · xml-security-c · debian · 12
2.0.4-2· arm64 · bookwormFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · bookworm; dsa · xml-security-c · debian · 12
- [xml-security-c-utils]Fixed
Source package: [xml-security-c]
Details (2)
2.0.4-2· amd64 · bookwormFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · bookworm; dsa · xml-security-c · debian · 12
2.0.4-2· arm64 · bookwormFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · bookworm; dsa · xml-security-c · debian · 12
[Debian 13 (Trixie)]
- [libxml-security-c30]Fixed
Source package: [xml-security-c]
Details (2)
3.0.0-2· amd64 · trixieFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · 13
3.0.0-2· arm64 · trixieFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · 13
- [libxml-security-c-dev]Fixed
Source package: [xml-security-c]
Details (2)
3.0.0-2· amd64 · trixieFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · 13
3.0.0-2· arm64 · trixieFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · 13
- [xml-security-c-utils]Fixed
Source package: [xml-security-c]
Details (2)
3.0.0-2· amd64 · trixieFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · 13
3.0.0-2· arm64 · trixieFixed · Fixed:
1.6.1-1dsa · xml-security-c · debian · 13
Observed: