graphviz: stack-based buffer overflow in chkNum()
Published Jan 10, 2014
10.0
HIGHCVSS 2.0
EPSS 6.08%
Description
Stack-based buffer overflow in the chkNum function in lib/cgraph/scan.l in Graphviz 2.34.0 allows remote attackers to have unspecified impact via vectors related to a "badly formed number" and a "long digit list."
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
graphviz
Will not fix
Red Hat Enterprise Linux 7
graphviz
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | graphviz | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | graphviz | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the versions of the graphviz package as shipped with Red Hat Enterprise Linux 6. Red Hat Product Security has rated this issue as having Low security impact and therefore it is not planned to be addressed in future updates. This issue did not affect the versions of the graphviz package as shipped with Red Hat Enterprise Linux 7.
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:C/I:C/A:C
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.08% (0.06082) | 93.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.08% (0.06082) | 92.46th | v5 (v2026.06.15) |
| Jun 20, 2025 | 7.86% (0.07859) | 91.54th | v4 (v2025.03.14) |
| Mar 30, 2025 | 9.87% (0.09873) | 92.25th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.66% (0.12656) | 89.94th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.87% (0.09873) | 92.42th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.95% (0.03950) | 92.35th | v3 (v2023.03.01) |
| Jan 9, 2024 | 3.36% (0.03358) | 90.42th | v3 (v2023.03.01) |
| Aug 23, 2023 | 2.89% (0.02885) | 89.46th | v3 (v2023.03.01) |
| Jul 7, 2023 | 3.28% (0.03285) | 89.93th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.54% (0.03536) | 90.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (15)
- http://osvdb.org/101851 vdb-entryx_refsource_OSVDB
- http://seclists.org/oss-sec/2014/q1/46 mailing-listx_refsource_MLIST
- http://seclists.org/oss-sec/2014/q1/51 mailing-listx_refsource_MLIST
- http://seclists.org/oss-sec/2014/q1/54 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/55666 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/56244 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2014/dsa-2843 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:024 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/64737 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2014-1236 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1050872 x_refsource_CONFIRMIssue Tracking
- https://github.com/ellson/graphviz/commit/1d1bdec6318746f6f19f245db589eddc887ae8ff x_refsource_CONFIRMExploitPatch
- https://nvd.nist.gov/vuln/detail/CVE-2014-1236
- https://security.gentoo.org/glsa/201702-06 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2014-1236
Change history (0)
No recorded changes yet.