CVE-2021-27906

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 88.6% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-03-19 16:05Z5 YR AGO

Last updated

2025-02-13 16:27Z1 YR AGO

Reserved

2021-03-02

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-789Memory Allocation with Excessive Size ValueVariant
• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

adbf614d17bc70490e060f4f32029383ef3308cf0f16b4ea57a7f8fa9db01e3e

• lists.apache.orghttps://lists.apache.org/thread.html/rf35026148ccc0e1af133501c0d003d052883fcc65107b3ff5d3b61cd%40%3Cusers.pdfbox.apache.org%3Ex_refsource_MISC
• www.openwall.com[oss-security] 20210319 CVE-2021-27906: Apache PDFBox: A carefully crafted PDF file can trigger an OutOfMemory-Exception while loading the filehttp://www.openwall.com/lists/oss-security/2021/03/19/10mailing-listx_refsource_MLIST
• lists.apache.org[announce] 20210320 CVE-2021-27906: Apache PDFBox: a carefully crafted PDF file can trigger an OutOfMemory-Exception while loading the filehttps://lists.apache.org/thread.html/rdf78aef4793362e778e21e34328b0456e302bde4b7e74f229df0ee04%40%3Cannounce.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[pdfbox-users] 20210320 CVE-2021-27906: Apache PDFBox: a carefully crafted PDF file can trigger an OutOfMemory-Exception while loading the filehttps://lists.apache.org/thread.html/r64982b768c8a2220b07aaf813bd099a9863de0d13eb212fd4efe208f%40%3Cusers.pdfbox.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[ofbiz-commits] 20210321 [ofbiz-framework] branch trunk updated: Fixed: Upgrade Apache PDFBox to 2.0.23 because of CVE-2021-27807 and CVE-2021-27906 (OFBIZ-12205)https://lists.apache.org/thread.html/r1d268642f8b52456ee8f876b888b8ed7a9e9568c7770789f3ded7f9e%40%3Ccommits.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[ofbiz-notifications] 20210321 [jira] [Created] (OFBIZ-12205) Upgrade Apache PDFBox to 2.0.23 because of CVE-2021-27807 and CVE-2021-27906https://lists.apache.org/thread.html/r7ee634c21816c69ce829d0c41f35afa2a53a99bdd3c7cce8644fdc0e%40%3Cnotifications.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[ofbiz-notifications] 20210321 [jira] [Commented] (OFBIZ-12205) Upgrade Apache PDFBox to 2.0.23 because of CVE-2021-27807 and CVE-2021-27906https://lists.apache.org/thread.html/re1e35881482e07dc2be6058d9b44483457f36133cac67956686ad9b9%40%3Cnotifications.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[ofbiz-notifications] 20210321 [jira] [Updated] (OFBIZ-12205) Upgrade Apache PDFBox to 2.0.23 because of CVE-2021-27807 and CVE-2021-27906https://lists.apache.org/thread.html/rc69140d894c6a9c67a8097a25656cce59b46a5620c354ceba10543c3%40%3Cnotifications.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[ofbiz-commits] 20210321 [ofbiz-framework] branch release17.12 updated: Fixed: Upgrade Apache PDFBox to 2.0.23 because of CVE-2021-27807 and CVE-2021-27906 (OFBIZ-12205)https://lists.apache.org/thread.html/r9ffe179385637b0b5cbdabd0246118005b4b8232909d2d14cd68ccd3%40%3Ccommits.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[ofbiz-notifications] 20210321 [jira] [Closed] (OFBIZ-12205) Upgrade Apache PDFBox to 2.0.23 because of CVE-2021-27807 and CVE-2021-27906https://lists.apache.org/thread.html/raa35746227f3f8d50fff1db9899524423a718f6f35cd39bd4769fa6c%40%3Cnotifications.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[ofbiz-commits] 20210321 [ofbiz-framework] branch release18.12 updated: Fixed: Upgrade Apache PDFBox to 2.0.23 because of CVE-2021-27807 and CVE-2021-27906 (OFBIZ-12205)https://lists.apache.org/thread.html/r5c8e2125d18af184c80f7a986fbe47eaf0d30457cd450133adc235ac%40%3Ccommits.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[pdfbox-dev] 20210322 OSS-Fuzz integrationhttps://lists.apache.org/thread.html/r1218e60c32829f76943ecaca79237120c2ec1ab266459d711a578b50%40%3Cdev.pdfbox.apache.org%3Emailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2021-93469e0030https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PT72QOFDXLJ7PLTN66EMG5EHPTE7TFZ/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-8b17a2725ehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6KDA2U4KL2N3XT3PM4ZJEBBA6JJIH2G4/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-dc83ae690ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2AVLKAHFMPH72TTP25INPZPGX5FODK3H/vendor-advisoryx_refsource_FEDORA
• lists.apache.org[ofbiz-notifications] 20210405 [jira] [Updated] (OFBIZ-12205) Upgrade Apache PDFBox to 2.0.23 because of CVE-2021-27807 and CVE-2021-27906https://lists.apache.org/thread.html/r6e067a6d83ccb6892d0ff867bd216704f21fb0b6a854dea34be04f12%40%3Cnotifications.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[james-notifications] 20210501 [GitHub] [james-project] chibenwa opened a new pull request #414: [UPGRADE] Adopt Apache Tika 1.26https://lists.apache.org/thread.html/r4cbc3f6981cd0a1a482531df9d44e4c42a7f63342a7ba78b7bff8a1b%40%3Cnotifications.james.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[pdfbox-dev] 20210518 CVE'shttps://lists.apache.org/thread.html/r54594251369e14c185da9662a5340a52afbbdf75d61c9c3a69c8f2e8%40%3Cdev.pdfbox.apache.org%3Emailing-listx_refsource_MLIST
• www.oracle.comhttps://www.oracle.com//security-alerts/cpujul2021.htmlx_refsource_MISC
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2021.htmlx_refsource_MISC
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlx_refsource_MISC