CVE-2011-1956
The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via
02 Description
The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via
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
- 5.85% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.0% 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
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
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
- 2011-06-06 19:00Z15 YR AGO
- Last updated
- 2024-08-06 22:46Z2 YR AGO
- Reserved
- 2011-05-09
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 7e96ed489f8c4fcd10329eb6daa287adecf50c2e757c1d0a0661110395f55399
05 Affected products
06 References
- www.wireshark.orghttp://www.wireshark.org/news/20110418.html
- openwall.com[oss-security] 20110531 CVE request for Wireshark 1.4.5 TCP DoS issuehttp://openwall.com/lists/oss-security/2011/05/31/19
- oval.cisecurity.orgoval:org.mitre.oval:def:14943https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943
- exchange.xforce.ibmcloud.comwireshark-desegmenttcp-dos(67789)https://exchange.xforce.ibmcloud.com/vulnerabilities/67789
- openwall.com[oss-security] 20110601 Re: CVE request for Wireshark 1.4.5 TCP DoS issuehttp://openwall.com/lists/oss-security/2011/06/01/9
- secunia.com44449http://secunia.com/advisories/44449
- www.wireshark.orghttp://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html
- bugs.wireshark.orghttps://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837
07 Fixed in
Debian 12
- wireshark Fixed in 1.4.6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- wireshark Fixed in 1.4.6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- wireshark Fixed in 1.4.6-1
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.