T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file
CVE-2024-2955
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2024-03-26. NVD baseline CVSS 7.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EG Risk
- 36(Track)EG Risk 36/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity78% × 45%Exploitation1% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 71%
- KEV
- Not listed
Published
March 26, 2024
Last Modified
November 3, 2025
References (7)
- cve@gitlabhttps://gitlab.com/wireshark/wireshark/-/issues/19695
- cve@gitlabhttps://www.wireshark.org/security/wnpa-sec-2024-06.html
- af854a3a-2127-422b-91ae-364da2661108https://gitlab.com/wireshark/wireshark/-/issues/19695
- af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/[email protected]/message/Q7TWJQKXOV4HYI5C4TWRKTN7B5YL7GTU/
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/[email protected]/message/ZD2MNS6EW2K2SSMN4YBGPZCC47KBDNEE/
- af854a3a-2127-422b-91ae-364da2661108https://www.wireshark.org/security/wnpa-sec-2024-06.html
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| wireshark | 3.4.10-0+deb11u1 ... 3.4.9-1 (7 versions) | 3.4.16-0+deb11u1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| wireshark | 4.0.10-1 ... 4.0.8-1 (10 versions) | 4.0.17-0+deb12u1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| wireshark | — | 4.2.4-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| wireshark | — | 4.2.4-1 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 7× in last 7d / 30× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 171 total refreshes for this CVE.
- 2026-09-19 15:40 UTCEPSS rescore
- 2026-09-18 19:26 UTCEPSS rescore
- 2026-09-16 14:06 UTCEPSS rescore
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- 2026-09-03 02:00 UTCOSV refresh
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- 2026-08-25 13:47 UTCEPSS rescore
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- 2026-08-16 15:02 UTCOSV refresh
- 2026-08-16 14:54 UTCEPSS rescore
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- 2026-08-01 09:06 UTCOSV refresh
- 2026-08-01 04:14 UTCEPSS rescore
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- 2026-07-23 02:35 UTCEG score recompute
- 2026-07-22 14:07 UTCEPSS rescore
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- 2026-07-20 17:06 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
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- 2026-07-19 02:28 UTCEPSS rescore
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- 2026-07-18 10:03 UTCEPSS rescore
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- 2026-07-16 17:01 UTCEPSS rescore
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- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-14 15:55 UTCOSV refresh
- 2026-07-13 22:28 UTCEPSS rescore
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- 2026-06-28 14:06 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2024-2955?
When was CVE-2024-2955 disclosed?
Is CVE-2024-2955 actively exploited?
What is the CVSS score of CVE-2024-2955?
How do I remediate CVE-2024-2955?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-2955
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