OPENSUSE-SU-2026:21016-1
Vulnerability from csaf_opensuse - Published: 2026-06-22 14:45 - Updated: 2026-09-17 17:35Summary
Security update for mutt
Severity
Moderate
Notes
Title of the patch: Security update for mutt
Description of the patch: This update for mutt fixes the following issues
- CVE-2026-43859: `strfcpy` used instead of `memcpy` for the IMAP `auth_cram` MD5 digest (bsc#1263897).
- CVE-2026-43860: truncation of `hash_passwd` by one byte for IMAP `auth_cram` MD5 digest (bsc#1263896).
- CVE-2026-43861: missing check for `\0` in `url_pct_decode` (bsc#1263895).
- CVE-2026-43862: mishandling of the `imap_auth_gss` security level (bsc#1263894).
- CVE-2026-43863: infinite loop in `data_object_to_stream` in `crypt-gpgme.c` (bsc#1263893).
- CVE-2026-43864: NULL pointer dereference in function `show_sig_summary` (bsc#1263892).
Patchnames: openSUSE-Leap-16.0-1028
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
4.8 (Medium)
Affected products
Recommended
6 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Leap 16.0:mutt-0:2.2.16-160000.2.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:mutt-0:2.2.16-160000.2.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:mutt-0:2.2.16-160000.2.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:mutt-0:2.2.16-160000.2.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:mutt-doc-0:2.2.16-160000.2.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:mutt-lang-0:2.2.16-160000.2.1.noarch | — |
Vendor Fix
|
Threats
Impact
moderate
4.8 (Medium)
Affected products
Recommended
6 products, the same list as for
CVE-2026-43859
Threats
Impact
moderate
5.3 (Medium)
Affected products
Recommended
6 products, the same list as for
CVE-2026-43859
Threats
Impact
moderate
4.8 (Medium)
Affected products
Recommended
6 products, the same list as for
CVE-2026-43859
Threats
Impact
moderate
Affected products
Recommended
6 products, the same list as for
CVE-2026-43859
Threats
Impact
low
Affected products
Recommended
6 products, the same list as for
CVE-2026-43859
Threats
Impact
low
References
27 references
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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