wireshark: crash due to zero division in pcnap-ng file parser (wnpa-sec-2012-24)
Published Aug 16, 2012
4.3
MEDIUMCVSS 2.0
EPSS 1.75%
Description
The pcapng_read_packet_block function in wiretap/pcapng.c in the pcap-ng file parser in Wireshark 1.8.x before 1.8.2 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted pcap-ng file.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
wireshark
Not affected
Red Hat Enterprise Linux 6
wireshark
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 6 | wireshark | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 5 or 6.
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:M/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.75% (0.01748) | 77.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.75% (0.01748) | 74.82th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.19% (0.02186) | 82.89th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.02% (0.05023) | 82.51th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.19% (0.02186) | 83.22th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.66% (0.00656) | 80.20th | v3 (v2023.03.01) |
| Mar 16, 2024 | 0.66% (0.00656) | 79.00th | v3 (v2023.03.01) |
| May 4, 2023 | 0.86% (0.00858) | 79.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.73% (0.00725) | 77.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.96% (0.01955) | 78.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.96% (0.01955) | 76.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.96% (0.01955) | 55.71th | v2 (v2022.01.01) |
References (16)
- http://anonsvn.wireshark.org/viewvc/trunk/wiretap/pcapng.c?r1=44074&r2=44073&pathrev=44074 x_refsource_CONFIRMPatch
- http://anonsvn.wireshark.org/viewvc?revision=44074&view=revision x_refsource_CONFIRMPatch
- http://secunia.com/advisories/50276 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/51363 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/54425 third-party-advisoryx_refsource_SECUNIA
- http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml vendor-advisoryx_refsource_GENTOO
- http://www.securityfocus.com/bid/55035 vdb-entryx_refsource_BID
- http://www.wireshark.org/security/wnpa-sec-2012-24.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2012-4286 Vendor Advisory
- https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_wireshark3 x_refsource_CONFIRM
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7533 x_refsource_CONFIRMExploit
- https://bugzilla.redhat.com/show_bug.cgi?id=848584 Issue Tracking
- https://hermes.opensuse.org/messages/15514562 vendor-advisoryx_refsource_SUSE
- https://nvd.nist.gov/vuln/detail/CVE-2012-4286
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15693 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-4286
Change history (0)
No recorded changes yet.