In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in the TNEF decoder, which may lead to denial of service upon opening an email with a TNEF attachment.
CVE-2026-62642
This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 58% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: 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 computedSeverity65% × 45%Exploitation1% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 42%
- KEV
- Not listed
Published
July 14, 2026
Last Modified
July 20, 2026
Advisory Details (7)
Auto-updated Jul 16, 2026Security updates 1.6.17 and 1.7.2 released
https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2Roundcube Webmail 1.7.2
Patch available: roundcube/roundcubemail 1.7.2
https://github.com/roundcube/roundcubemail/releases/tag/1.7.2Roundcube Webmail 1.6.17
Patch available: roundcube/roundcubemail 1.6.17
https://github.com/roundcube/roundcubemail/releases/tag/1.6.17commit fb952956c6ea (roundcube/roundcubemail)
Fix landed in roundcube/roundcubemail commit fb952956c6ea — awaiting tagged release
https://github.com/roundcube/roundcubemail/commit/fb952956c6eaf29e963f1a718d028d66e7957ce0commit a00732134638 (roundcube/roundcubemail)
Fix landed in roundcube/roundcubemail commit a00732134638 — awaiting tagged release
https://github.com/roundcube/roundcubemail/commit/a007321346380136b3de2bd75b486b04f63c0d38commit 877269c79359 (roundcube/roundcubemail)
Fix landed in roundcube/roundcubemail commit 877269c79359 — awaiting tagged release
https://github.com/roundcube/roundcubemail/commit/877269c79359d959a94f13c9070cab0f3389c193commit 132ac8dd5a55 (roundcube/roundcubemail)
Fix landed in roundcube/roundcubemail commit 132ac8dd5a55 — awaiting tagged release
https://github.com/roundcube/roundcubemail/commit/132ac8dd5a55c8466be12de1daf84355697ffa89Vendor Advisories for CVE-2026-62642(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| roundcube | 1.4.11+dfsg.1-4 ... 1.4.15+dfsg.1-1~deb11u2~bpo10+1 (18 versions) | 1.4.15+dfsg.1-1+deb11u10 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| roundcube | 1.6.1+dfsg-1 ... 1.6.5+dfsg-1~deb12u1 (17 versions) | 1.6.5+dfsg-1+deb12u10 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| roundcube | 1.6.11+dfsg-1 ... 1.6.16+dfsg-1 (10 versions) | 1.6.17+dfsg-0+deb13u1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| roundcube | 1.6.11+dfsg-1 ... 1.6.16+dfsg-1 (6 versions) | 1.6.17+dfsg-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 16× in last 7d / 82× 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 123 total refreshes for this CVE.
- 2026-08-30 05:24 UTCEG score recompute
- 2026-08-30 05:24 UTCGHSA enrichment
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-28 21:42 UTCEPSS rescore
- 2026-08-27 23:11 UTCEG score recompute
- 2026-08-27 23:11 UTCGHSA enrichment
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-27 00:31 UTCEG score recompute
- 2026-08-27 00:31 UTCGHSA enrichment
- 2026-08-26 14:46 UTCEPSS rescore
- 2026-08-26 01:45 UTCEG score recompute
- 2026-08-26 01:45 UTCGHSA enrichment
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-24 21:45 UTCEG score recompute
- 2026-08-24 21:45 UTCGHSA enrichment
- 2026-08-23 23:04 UTCGHSA enrichment
- 2026-08-23 00:21 UTCEG score recompute
- 2026-08-23 00:21 UTCGHSA enrichment
- 2026-08-23 00:19 UTCEPSS rescore
- 2026-08-22 01:37 UTCEG score recompute
- 2026-08-22 01:37 UTCGHSA enrichment
- 2026-08-21 23:49 UTCEPSS rescore
- 2026-08-21 02:55 UTCEG score recompute
- 2026-08-21 02:55 UTCGHSA enrichment
- 2026-08-20 22:55 UTCEPSS rescore
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- 2026-08-20 04:12 UTCEG score recompute
- 2026-08-20 04:12 UTCGHSA enrichment
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-19 05:26 UTCEG score recompute
- 2026-08-19 05:26 UTCGHSA enrichment
- 2026-08-18 13:48 UTCEPSS rescore
- 2026-08-18 06:19 UTCEG score recompute
- 2026-08-18 06:18 UTCGHSA enrichment
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 07:37 UTCEG score recompute
- 2026-08-17 07:37 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 08:56 UTCEG score recompute
- 2026-08-16 08:56 UTCGHSA enrichment
- 2026-08-15 10:15 UTCEG score recompute
- 2026-08-15 10:15 UTCGHSA enrichment
- 2026-08-15 01:30 UTCEPSS rescore
- 2026-08-14 11:33 UTCEG score recompute
- 2026-08-14 11:33 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 12:52 UTCGHSA enrichment
- 2026-08-12 14:11 UTCEG score recompute
- 2026-08-12 14:11 UTCGHSA enrichment
- 2026-08-12 13:51 UTCEPSS rescore
- 2026-08-11 15:30 UTCEG score recompute
- 2026-08-11 15:30 UTCGHSA enrichment
- 2026-08-11 00:00 UTCEPSS rescore
- 2026-08-10 16:49 UTCGHSA enrichment
- 2026-08-09 18:07 UTCEG score recompute
- 2026-08-09 18:07 UTCGHSA enrichment
- 2026-08-09 13:47 UTCEPSS rescore
- 2026-08-08 19:27 UTCEG score recompute
- 2026-08-08 19:27 UTCGHSA enrichment
- 2026-08-08 16:37 UTCEPSS rescore
- 2026-08-07 20:46 UTCEG score recompute
- 2026-08-07 20:46 UTCGHSA enrichment
- 2026-08-06 22:06 UTCEG score recompute
- 2026-08-06 22:06 UTCGHSA enrichment
- 2026-08-06 13:47 UTCEPSS rescore
- 2026-08-05 23:24 UTCEG score recompute
- 2026-08-05 23:24 UTCGHSA enrichment
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-05 00:44 UTCEG score recompute
- 2026-08-05 00:43 UTCGHSA enrichment
- 2026-08-04 15:10 UTCEPSS rescore
- 2026-08-04 10:39 UTCEPSS rescore
- 2026-08-04 01:42 UTCEG score recompute
- 2026-08-04 01:42 UTCGHSA enrichment
- 2026-08-03 10:36 UTCEPSS rescore
- 2026-08-03 03:01 UTCGHSA enrichment
- 2026-08-02 04:20 UTCEG score recompute
- 2026-08-02 04:20 UTCGHSA enrichment
- 2026-08-02 02:27 UTCEPSS rescore
- 2026-08-01 05:38 UTCEG score recompute
- 2026-08-01 05:38 UTCGHSA enrichment
- 2026-08-01 04:16 UTCEPSS rescore
- 2026-07-31 06:53 UTCEG score recompute
- 2026-07-31 06:53 UTCGHSA enrichment
- 2026-07-30 16:28 UTCEPSS rescore
- 2026-07-30 08:12 UTCEG score recompute
- 2026-07-30 08:12 UTCGHSA enrichment
- 2026-07-30 01:30 UTCEPSS rescore
- 2026-07-30 01:30 UTCEPSS rescore
- 2026-07-29 07:56 UTCEG score recompute
- 2026-07-29 07:56 UTCGHSA enrichment
- 2026-07-28 15:37 UTCEPSS rescore
- 2026-07-28 09:09 UTCEG score recompute
- 2026-07-28 09:09 UTCGHSA enrichment
- 2026-07-27 14:14 UTCEPSS rescore
- 2026-07-27 10:26 UTCEG score recompute
- 2026-07-27 10:26 UTCGHSA enrichment
- 2026-07-26 14:54 UTCEPSS rescore
- 2026-07-26 14:54 UTCEPSS rescore
- 2026-07-26 11:45 UTCEG score recompute
Frequently asked(5)
What is CVE-2026-62642?
When was CVE-2026-62642 disclosed?
Is CVE-2026-62642 actively exploited?
What is the CVSS score of CVE-2026-62642?
How do I remediate CVE-2026-62642?
Dependency Blast Radius
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