VulnerabilityModified
CVE-2020-25085
QEMU 5.0.0 has a heap-based Buffer Overflow in flatview_read_continue in exec.c because hw/sd/sdhci.c mishandles a write operation in the SDHC_BLKSIZE case.
MEDIUM 5.0EPSS 0.63%
Does this matter?
Lower severity and a low EPSS score (0.63%). Track it; it rarely justifies an emergency change on its own.
Description
QEMU 5.0.0 has a heap-based Buffer Overflow in flatview_read_continue in exec.c because hw/sd/sdhci.c mishandles a write operation in the SDHC_BLKSIZE case.
- CVSS 3.1
- 5.0 MEDIUMCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
- EPSS
- 0.63% probability · 50th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- qemu/qemu · debian/debian linux
- Source
- cve@mitre.org
EPSS 0.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2020/09/16/6Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/03/09/1Mailing List, Patch, Third Party Advisory
- https://bugs.launchpad.net/qemu/+bug/1892960Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00047.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.htmlMailing List, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201009-0005/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/09/16/6Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/03/09/1Mailing List, Patch, Third Party Advisory
- https://bugs.launchpad.net/qemu/+bug/1892960Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00047.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.htmlMailing List, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201009-0005/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.