byacc: Potential out of bounds of allocated stack access
Published Jul 16, 2008
7.8
HIGHCVSS 2.0
EPSS 1.45%
Description
skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.
Affected products
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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: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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.45% (0.01449) | 72.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.45% (0.01449) | 69.82th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.40% (0.00403) | 58.79th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.28% (0.00279) | 69.18th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.28% (0.00279) | 67.42th | v3 (v2023.03.01) |
| Dec 20, 2023 | 0.28% (0.00279) | 64.91th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00288) | 63.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (8)
- http://marc.info/?l=openbsd-cvs&m=121553004431393&w=2 mailing-listx_refsource_MLIST
- http://marc.info/?l=openbsd-cvs&m=121553036432044&w=2 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/31073 third-party-advisoryx_refsource_SECUNIA
- http://www.vupen.com/english/advisories/2008/2151/references vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2008-3196 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=455031 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2008-3196
- https://www.cve.org/CVERecord?id=CVE-2008-3196
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=openbsd-cvs&m=121553004431393&w=2 | mailing-listx_refsource_MLIST | |
| http://marc.info/?l=openbsd-cvs&m=121553036432044&w=2 | mailing-listx_refsource_MLIST | |
| http://secunia.com/advisories/31073 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.vupen.com/english/advisories/2008/2151/references | vdb-entryx_refsource_VUPEN | |
| https://access.redhat.com/security/cve/CVE-2008-3196 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=455031 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2008-3196 | ||
| https://www.cve.org/CVERecord?id=CVE-2008-3196 |
Change history (0)
No recorded changes yet.