CVE-2022-32978 — There is an assertion failure in SingleComponentLSScan::ParseMCU in singlecompon

There is an assertion failure in SingleComponentLSScan::ParseMCU in singlecomponentlsscan.cpp in libjpeg before 1.64 via an empty JPEG-LS scan.

01What is this vulnerability?

There is an assertion failure in SingleComponentLSScan::ParseMCU in singlecomponentlsscan.cpp in libjpeg before 1.64 via an empty JPEG-LS scan.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-06-10T14:49:06.000Z
• Last modified: 2024-08-03T07:54:03.443Z

09References

• github.com — https://github.com/thorfdbg/libjpeg/issues/75
• github.com — https://github.com/thorfdbg/libjpeg/commit/4746b577931e926a49e50de9720a4946de306…