CVE-2021-32142

HIGHNVD 7.89.8▲

7.8

EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.

High severity, but no confirmed exploitation yet

CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

A fix is available — apply it.

Buffer Overflow vulnerability in LibRaw linux/unix v0.20.0 allows attacker to escalate privileges via the LibRaw_buffer_datastream::gets(char*, int) in /src/libraw/src/libraw_datastream.cpp.

CVSS v3: 7.8
EG Score: 9.8(medium)
EPSS: 34.0%
KEV: Not listed

Published

February 17, 2023

Last Modified

March 19, 2025

References (16)

cve@mitrehttps://github.com/LibRaw/LibRaw/commit/bc3aaf4223fdb70d52d470dae65c5a7923ea2a49
cve@mitrehttps://github.com/LibRaw/LibRaw/issues/400
cve@mitrehttps://github.com/gtt1995
cve@mitrehttps://lists.debian.org/debian-lts-announce/2023/05/msg00025.html
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5ICTVDRGBWGIFBTUWJLGX7QM5GWBWUG7/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E7TEZ7CLRNYYQZJ5NJGZXK6YJU46WH2L/
cve@mitrehttps://www.debian.org/security/2023/dsa-5412
cve@mitrehttps://www.libraw.org/
af854a3a-2127-422b-91ae-364da2661108https://github.com/LibRaw/LibRaw/commit/bc3aaf4223fdb70d52d470dae65c5a7923ea2a49
af854a3a-2127-422b-91ae-364da2661108https://github.com/LibRaw/LibRaw/issues/400
af854a3a-2127-422b-91ae-364da2661108https://github.com/gtt1995
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/05/msg00025.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5ICTVDRGBWGIFBTUWJLGX7QM5GWBWUG7/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E7TEZ7CLRNYYQZJ5NJGZXK6YJU46WH2L/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5412

Patch Availability(5)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	showfoto (4:4.12.0-0ubuntu7+esm1) @ xenial	2026-05-25	ubuntu
ubuntu	libraw20 (0.20.2-2ubuntu2.22.04.1) @ jammy	2026-05-25	ubuntu
redhat	LibRaw-0:0.19.5-4.el8	2024-05-22	redhat
redhat	LibRaw-0:0.19.4-2.el7_9	2024-01-23	redhat
redhat	LibRaw-0:0.20.2-6.el9	2023-11-07	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-787Out-of-bounds Write

All Vendor Advisories

(6)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 12× in last 7d / 53× 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.

2026-06-27 03:06 UTCEPSS rescore
2026-06-25 13:48 UTCEPSS rescore
2026-06-25 13:48 UTCEPSS rescore
2026-06-24 14:03 UTCEPSS rescore
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2026-06-23 21:31 UTCEPSS rescore
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2026-06-22 14:24 UTCEPSS rescore
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2026-06-21 14:55 UTCEPSS rescore
2026-06-21 01:58 UTCEPSS rescore
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2026-06-19 19:24 UTCEPSS rescore
2026-06-19 19:24 UTCEPSS rescore
2026-06-18 17:51 UTCEPSS rescore
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2026-06-17 17:51 UTCEPSS rescore
2026-06-16 17:51 UTCEPSS rescore
2026-06-16 17:51 UTCEPSS rescore
2026-06-15 17:46 UTCEPSS rescore
2026-06-14 23:15 UTCEPSS rescore
2026-06-13 22:58 UTCEPSS rescore
2026-06-13 22:58 UTCEPSS rescore
2026-06-12 23:10 UTCEPSS rescore
2026-06-12 23:10 UTCEPSS rescore

Show 38 more

2026-06-11 13:58 UTCEPSS rescore
2026-06-10 22:16 UTCEPSS rescore
2026-06-10 15:47 UTCOSV refresh
2026-06-10 13:20 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-27 13:39 UTCEPSS rescore
2026-05-27 13:39 UTCEPSS rescore
2026-05-27 13:39 UTCEPSS rescore
2026-05-26 13:42 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-25 06:29 UTCEG score recompute
2026-05-25 06:29 UTCVendor advisory
2026-05-25 06:29 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-32142?

CVE-2021-32142 is a high vulnerability published on February 17, 2023. Buffer Overflow vulnerability in LibRaw linux/unix v0.20.0 allows attacker to escalate privileges via the LibRawbufferdatastream::gets(char*, int) in /src/libraw/src/libraw_datastream.cpp.

When was CVE-2021-32142 disclosed?

CVE-2021-32142 was first published in the National Vulnerability Database on February 17, 2023, with the most recent update on March 19, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-32142 actively exploited?

CVE-2021-32142 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 34.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-32142?

CVE-2021-32142 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.

How do I remediate CVE-2021-32142?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-32142, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-32142

Published

Last Modified

References (16)

Patch Availability(5)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-32142?

Same vendor

Same CWE

CVE-2021-32142

📅 Published

🔄 Last Modified

🔗 References (16)

Patch Availability(5)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-32142?

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Published

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References (16)

Frequently asked(5)

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