Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document
Published May 21, 2012
8.7
HIGHCVSS 4.0
EPSS 2.74%
Description
Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document.
Affected products
No data.
- ≤ 5.1.1
- 3.0
- 3.0.1
- 3.1
- 3.2
- 3.3
- 4.0
- 4.0.1
- 4.0.2
- 4.1
- 5.0
- 5.0.1
- 5.1
- 5.1.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.74% (0.02744) | 85.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.86% (0.01863) | 76.46th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.26% (0.01258) | 78.02th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.40% (0.03404) | 91.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.40% (0.03404) | 89.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (13)
- http://freecode.com/projects/feedparser/releases/344371 x_refsource_CONFIRM
- http://osvdb.org/81701 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/49256 third-party-advisoryx_refsource_SECUNIA
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:118 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/53654 vdb-entryx_refsource_BID
- https://code.google.com/p/feedparser/source/browse/trunk/NEWS?spec=svn706&r=706 x_refsource_CONFIRM
- https://code.google.com/p/feedparser/source/detail?r=703&path=/trunk/feedparser/feedparser.py x_refsource_CONFIRM
- https://github.com/advisories/GHSA-hjf3-r7gw-9rwg Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/feedparser/PYSEC-2012-14.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2012-2921
- https://web.archive.org/web/20120604210617/http://www.securityfocus.com/bid/53654
- https://web.archive.org/web/20150523060531/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2013:118/?name=MDVSA-2013:118
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0157 x_refsource_CONFIRM
Change history (0)
No recorded changes yet.