A flaw was found in spice-vdagent. A malicious or compromised SPICE host can trigger an integer overflow by sending a specially crafted message. This vulnerability can lead to a heap buffer overflow, causing the spice-vdagent daemon to crash and resulting in a Denial of Service (DoS) for the virtual machine. This issue requires the SPICE host to be untrusted or compromised for exploitation.
CVE-2026-57965
Score 5.1 from GitHub Security Advisory published 2026-06-29. a secondary CVSS source baseline 5.1; sources differ by 0.0.
- 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
- 5.1
- EG Score
- 5.1(high)
- EPSS
- 2.5%
- KEV
- Not listed
Published
June 29, 2026
Last Modified
June 29, 2026
Advisory Details (2)
Auto-updated Jun 29, 20262493581 – (CVE-2026-57965) CVE-2026-57965 spice-vdagent: Integer overflow in udscs_write() leading to heap buffer overflow
https://bugzilla.redhat.com/show_bug.cgi?id=2493581Vendor Advisories for CVE-2026-57965(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 22× in last 7d / 25× 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.
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 15:39 UTCEG score recompute
- 2026-07-06 15:39 UTCGHSA enrichment
- 2026-07-05 14:40 UTCEG score recompute
- 2026-07-05 14:40 UTCGHSA enrichment
- 2026-07-05 02:31 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 13:36 UTCEG score recompute
- 2026-07-04 13:36 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-03 12:39 UTCEG score recompute
- 2026-07-03 12:39 UTCGHSA enrichment
- 2026-07-02 11:40 UTCEG score recompute
- 2026-07-02 11:40 UTCGHSA enrichment
- 2026-07-01 15:07 UTCEPSS rescore
- 2026-07-01 10:41 UTCEG score recompute
- 2026-07-01 10:41 UTCGHSA enrichment
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 09:45 UTCEG score recompute
- 2026-06-30 09:45 UTCGHSA enrichment
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 08:48 UTCEG score recompute
- 2026-06-29 08:47 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-190
- CVE-2009-0947EG 9.8CRITICAL
- CVE-2013-2729EG 9.8 KEVEPSS 99%CRITICAL
- CVE-2005-1141EG 9.8CRITICAL
- CVE-2005-0102EG 9.8CRITICAL
- CVE-2002-0391EG 9.8EPSS 99%CRITICAL
- CVE-2002-0639EG 9.8EPSS 97%CRITICAL
- CVE-2013-3486EG 9.6CRITICAL
- CVE-2013-2596NVD 7.8EG 9.0 KEVHIGH
- CVE-2012-5054NVD 8.8EG 9.0 KEVEPSS 97%HIGH
- CVE-2011-1823NVD 7.8EG 9.0 KEVEPSS 99%HIGH
Frequently asked(5)
What is CVE-2026-57965?
When was CVE-2026-57965 disclosed?
Is CVE-2026-57965 actively exploited?
What is the CVSS score of CVE-2026-57965?
How do I remediate CVE-2026-57965?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-57965
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