CVE-2008-3196
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.44% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 73.1% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2008-07-16 18:00Z18 YR AGO
- Last updated
- 2024-08-07 09:28Z2 YR AGO
- Reserved
- 2008-07-16
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 8b47e34b52606c1278d88109c22453c8105ceddc076f85e5c45b847ac66d046e
05 Affected products
06 References
- marc.info[openbsd-cvs] 20080708 Re: CVS: cvs.openbsd.org: srchttp://marc.info/?l=openbsd-cvs&m=121553036432044&w=2
- secunia.com31073http://secunia.com/advisories/31073
- marc.info[openbsd-cvs] 20080708 CVS: cvs.openbsd.org: srchttp://marc.info/?l=openbsd-cvs&m=121553004431393&w=2
- www.vupen.comADV-2008-2151http://www.vupen.com/english/advisories/2008/2151/references
07 Fixed in
Debian 12
- byacc Fixed in 20070509-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- byacc Fixed in 20070509-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- byacc Fixed in 20070509-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.