VulnerabilityModified
CVE-2020-35653
In Pillow before 8.1.0, PcxDecode has a buffer over-read when decoding a crafted PCX file because the user-supplied stride value is trusted for buffer calculations.
HIGH 7.1EPSS 1.62%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Pillow before 8.1.0, PcxDecode has a buffer over-read when decoding a crafted PCX file because the user-supplied stride value is trusted for buffer calculations.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
- EPSS
- 1.62% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- python/pillow · fedoraproject/fedora · debian/debian linux
- Source
- cve@mitre.org
References
- https://lists.debian.org/debian-lts-announce/2021/07/msg00018.htmlMailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD/
- https://pillow.readthedocs.io/en/stable/releasenotes/index.htmlRelease Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/07/msg00018.htmlMailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD/
- https://pillow.readthedocs.io/en/stable/releasenotes/index.htmlRelease Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.