Multiple buffer underflows in the base64 decoder in base64.c in (1) bogofilter and (2) bogolexer in bogofilter before 1.2.2 allow remote attackers to cause a denial of service (heap memory corruption and application crash) via an e-mail message with invalid base64 data that begins with an = (equals) character
Published Jul 8, 2010
5.0
MEDIUMCVSS 2.0
EPSS 3.44%
Description
Multiple buffer underflows in the base64 decoder in base64.c in (1) bogofilter and (2) bogolexer in bogofilter before 1.2.2 allow remote attackers to cause a denial of service (heap memory corruption and application crash) via an e-mail message with invalid base64 data that begins with an = (equals) character.
Affected products
No data.
- ≤ 1.2.1
- 1.0.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.1.0
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.1.5
- 1.1.6
- 1.1.7
- 1.2.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
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 (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.44% (0.03441) | 88.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.44% (0.03441) | 87.40th | v5 (v2026.06.15) |
| Mar 17, 2025 | 4.64% (0.04638) | 88.56th | v4 (v2025.03.14) |
| Dec 17, 2024 | 12.25% (0.12250) | 95.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 10.85% (0.10845) | 94.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
References (20)
- http://bogofilter.sourceforge.net/security/bogofilter-SA-2010-01 x_refsource_CONFIRM
- http://bogofilter.svn.sourceforge.net/viewvc/bogofilter/trunk/bogofilter/doc/bogofilter-SA-2010-01?revision=6909&pathrev=6909 x_refsource_CONFIRM
- http://bogofilter.svn.sourceforge.net/viewvc/bogofilter/trunk/bogofilter/src/base64.c?view=patch&r1=6906&r2=6903 x_refsource_CONFIRMPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2010-August/046558.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2010-August/046590.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00015.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00016.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00021.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=oss-security&m=127814747231102&w=2 mailing-listx_refsource_MLIST
- http://marc.info/?l=oss-security&m=127831760712436&w=2 mailing-listx_refsource_MLIST
- http://marc.info/?l=oss-security&m=127840569013531&w=2 mailing-listx_refsource_MLISTPatch
- http://marc.info/?l=oss-security&m=127844323105405&w=2 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/40427 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/41239 third-party-advisoryx_refsource_SECUNIA
- http://www.osvdb.org/66002 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/41339 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-980-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2010/2233 vdb-entryx_refsource_VUPEN
- https://bugzilla.redhat.com/show_bug.cgi?id=611551 x_refsource_CONFIRM
Change history (0)
No recorded changes yet.