CVE-2012-4286

medium
Published 2012-08-16 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
4.3

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.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1.8.2-1
debian debianbullseyefixed1.8.2-1
debian debianforkyfixed1.8.2-1
debian debiansidfixed1.8.2-1
debian debiantrixiefixed1.8.2-1

Application impact

VendorProductVersionsFixed
wiresharkwireshark1.8.0
wiresharkwireshark1.8.1

References

CWEs

CWE-189

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.