CVE catalog
CVE-2009-2463
nspr: CVE-2009-2463
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 6.43% · Oct 25, 2026
Multiple integer overflows in the (1) PL_Base64Decode and (2) PL_Base64Encode functions in nsprpub/lib/libc/src/base64.c in Mozilla Firefox before 3.0.12, Thunderbird before 2.0.0.24, and SeaMonkey before 1.1.19 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors that trigger buffer overflows.
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 | nspr | sid | 2:4.40-1 | fixed |
| Debian | nspr | forky | 2:4.40-1 | fixed |
| Debian | nspr | trixie | 2:4.36-1 | fixed |
| Debian | nspr | bookworm | 2:4.35-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | nspr | source | sid | 4.8.2-1 | not yet assigned | Not reported | Not reported |
| Debian | nspr | source | forky | 4.8.2-1 | not yet assigned | Not reported | Not reported |
| Debian | nspr | source | trixie | 4.8.2-1 | not yet assigned | Not reported | Not reported |
| Debian | nspr | source | bookworm | 4.8.2-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libnspr4]Fixed
Source package: [nspr]
Details (2)
2:4.35-1· amd64 · bookwormFixed · Fixed:
4.8.2-1dsa · nspr · debian · bookworm; dsa · nspr · debian · 12
2:4.35-1· arm64 · bookwormFixed · Fixed:
4.8.2-1dsa · nspr · debian · bookworm; dsa · nspr · debian · 12
- [libnspr4-dev]Fixed
Source package: [nspr]
Details (2)
2:4.35-1· amd64 · bookwormFixed · Fixed:
4.8.2-1dsa · nspr · debian · bookworm; dsa · nspr · debian · 12
2:4.35-1· arm64 · bookwormFixed · Fixed:
4.8.2-1dsa · nspr · debian · bookworm; dsa · nspr · debian · 12
[Debian 13 (Trixie)]
- [libnspr4]Fixed
Source package: [nspr]
Details (2)
2:4.36-1· amd64 · trixieFixed · Fixed:
4.8.2-1dsa · nspr · debian · 13
2:4.36-1· arm64 · trixieFixed · Fixed:
4.8.2-1dsa · nspr · debian · 13
- [libnspr4-dev]Fixed
Source package: [nspr]
Details (2)
2:4.36-1· amd64 · trixieFixed · Fixed:
4.8.2-1dsa · nspr · debian · 13
2:4.36-1· arm64 · trixieFixed · Fixed:
4.8.2-1dsa · nspr · debian · 13
Observed: