GHSA-6h52-4vmh-8x4f · Severity: high · Ecosystem: pip — feedparser denial of service vulnerability
feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) before 5.0.1 allows remote attackers to cause a denial of service (application crash) via a malformed DOCTYPE declaration.
Conclusion & alert: CVE-2011-1156 is rated High Exploit Risk (62.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.42%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 3.90% | 2.42% | -1.49% |
| 2 | 2025-03-29 | 2.42% | 3.90% | +1.49% |
| 3 | 2025-03-17 | — | 2.42% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
GHSA-6h52-4vmh-8x4f · Severity: high · Ecosystem: pip — feedparser denial of service vulnerability
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2011-1156 low priority: Debian including 1 source packages (feedparser), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2011-1156 |
ubuntu
|
low | CVE-2011-1156 low priority: Ubuntu including 1 source packages (feedparser), 12 status rows across 12 suites (dapper, hardy, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, upstream): ignored 6, not-affected 5, released 1. | https://ubuntu.com/security/CVE-2011-1156 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mark_pilgrim | feedparser | <= 5.0 | cpe:2.3:a:mark_pilgrim:feedparser:*:*:*:*:*:*:*:* |
| mark_pilgrim | feedparser | 3.0 | cpe:2.3:a:mark_pilgrim:feedparser:3.0:*:*:*:*:*:*:* |
| mark_pilgrim | feedparser | 3.0.1 | cpe:2.3:a:mark_pilgrim:feedparser:3.0.1:*:*:*:*:*:*:* |
| mark_pilgrim | feedparser | 3.1 | cpe:2.3:a:mark_pilgrim:feedparser:3.1:*:*:*:*:*:*:* |
| mark_pilgrim | feedparser | 3.2 | cpe:2.3:a:mark_pilgrim:feedparser:3.2:*:*:*:*:*:*:* |
| mark_pilgrim | feedparser | 3.3 | cpe:2.3:a:mark_pilgrim:feedparser:3.3:*:*:*:*:*:*:* |
| mark_pilgrim | feedparser | 4.0 | cpe:2.3:a:mark_pilgrim:feedparser:4.0:*:*:*:*:*:*:* |
| mark_pilgrim | feedparser | 4.0.1 | cpe:2.3:a:mark_pilgrim:feedparser:4.0.1:*:*:*:*:*:*:* |
| mark_pilgrim | feedparser | 4.0.2 | cpe:2.3:a:mark_pilgrim:feedparser:4.0.2:*:*:*:*:*:*:* |
| mark_pilgrim | feedparser | 4.1 | cpe:2.3:a:mark_pilgrim:feedparser:4.1:*:*:*:*:*:*:* |